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Imaging Dictionary Terms
red, green, blue
RGB stands for red, green, blue, which are the primary colors of light used in additive color mixing. The RGB color model is...
detector-Dewar assembly
A detector-Dewar assembly typically refers to a combination of a detector and a Dewar flask used in scientific instruments,...
color center
A color center, in the context of materials science and condensed matter physics, refers to a specific type of...
rhodamine
Rhodamine refers to a family of fluorescent organic dyes that are widely used in various fields, including biology,...
data cube
A multidimensional array of values that is commonly used in programming to describe a time series of image data. Each...
camera
A light-tight box that receives light from an object or scene and focuses it to form an image on a light-sensitive material...
absolute colorimetric
Absolute colorimetric refers to a color management rendering intent used in color profiles and conversion processes,...
phase screen
A phase screen, in the context of optics and wave optics, refers to a surface or medium that introduces a phase delay to an...
metasurfaces
Metasurfaces are two-dimensional arrays of subwavelength-scale artificial structures, often referred to as meta-atoms or...
spectrograph
An optical instrument for forming the spectrum of a light source and recording it on a film. The dispersing medium may be a...
holographic grating
A holographic grating is a type of diffraction grating that is produced using holographic recording techniques. It consists...
intravital microscopy
Intravital microscopy is an imaging technique used to visualize biological processes within living organisms, typically in...
knife-edge scanning microscope
An imaging device originally created to image whole mouse brain volumes at microscopic resolution. The main component of the...
acousto-optic tunable filter
An acousto-optic tunable filter (AOTF) is a device that utilizes the acousto-optic effect to selectively filter and transmit...
run end coding
A digital imaging method whereby the first gray level in the ordered sequence and the position of the first lengths of all...
radioactive tracer
A radioactive element that is placed or injected into a system to obtain an autoradiogram of the system. It is used in a...
light sheet fluorescence microscopy
Also known as single plane illumination microscopy (SPIM), this process was designed for imaging of sensitive samples and...
impurity level
In the context of optical materials, the term "impurity level" refers to the presence of foreign atoms or molecules within...
white balance
A feature of some imaging devices, such as digital cameras, that allows them to compensate for different lighting conditions...
hyperspectral imaging camera
A hyperspectral imaging camera is a sophisticated imaging device capable of capturing and processing data across a wide...
single-walled carbon nanotubes
Referred to as SWCNTs, these cylindrical nanostructures composed of a folded sheet of graphene can be used as near-infrared...
etaloning
Etaloning is an optical phenomenon that occurs in imaging systems, particularly in devices such as spectrometers,...
infrared
Infrared (IR) refers to the region of the electromagnetic spectrum with wavelengths longer than those of visible light, but...
spatial resolution
Spatial resolution refers to the level of detail or granularity in an image or a spatial dataset. It is a measure of the...
semiconductor materials
Semiconductor materials in photonics refer to materials that have electrical conductivity between that of a conductor and an...
quantum dots
A quantum dot is a nanoscale semiconductor structure, typically composed of materials like cadmium selenide or indium...
label-free
Label-free refers to a technique or method that does not require the use of additional labels, tags, or markers to detect or...
multimodality imaging
A technique that combines two or more imaging processes in order to minimize the disadvantages within each of the...
Seidel aberrations
Seidel aberrations refer to a set of monochromatic aberrations in optical systems, named after the German mathematician and...
pixel pitch
Pixel pitch refers to the distance between the centers of two adjacent pixels on a display screen or imaging sensor. It is...
nuclear magnetic resonance
A phenomenon, exploited for medical imaging, in which the nuclei of material placed in a strong magnetic field will absorb...
fluorophore
A fluorophore is a molecule or a portion of a molecule that has the ability to emit light upon excitation by an external...
charge-injection device
A charge-injection device (CID) refers to a class of devices that manipulate and detect electrical charge within a...
optical manufacturing tools and machinery
Optical manufacturing tools and machinery encompass a wide range of equipment, instruments, and systems used in the...
blackbody source
A blackbody source, often simply referred to as a blackbody, is a theoretical or practical physical object that absorbs all...
target
1. The anode or anticathode of an x-ray tube that emits x-rays when bombarded by electrons. 2. The screen in a television...
phase contrast microscopy
Phase contrast microscopy is an optical microscopy technique that enhances the contrast of transparent and colorless...
synchrotron
A synchrotron is a type of particle accelerator that uses magnetic fields to steer charged particles, typically electrons or...
aerial camera
Camera designed for the imaging of the earth's surface in order to obtain high quality aerial images
Zernike's phase contrast method
The introduction of a filter into an imaging system to implement a phase contrast for an intensity mapping of a pure phase...
pushbroom scanning
Pushbroom scanning is a technique used in remote sensing and imaging systems, particularly in satellite and aerial sensors,...
pyramid error
Pyramid error in optics refers to an aberration in the shape of an optical surface, particularly in the context of mirrors....
volumetric imaging
Volumetric imaging refers to the capture, visualization, and analysis of three-dimensional (3D) information from a volume of...
MSM photodiode
A metal-semiconductor-metal (MSM) photodiode is a type of photodetector that consists of metal electrodes on a semiconductor...
catadioptric imaging system
A system that uses both reflection and refraction to achieve its focal power. While the relative powers of the lenses and...
vacuum
In optics, the term vacuum typically refers to a space devoid of matter, including air and other gases. However, in...
dark current density
Dark current density refers to the electric current that flows through a semiconductor device in the absence of any external...
transparent electrophotographic films
Imaging materials that generally consist of a polyester base, a transparent electrically conductive layer and an organic...
dual-chirped optical parametric amplification
Dual-chirped optical parametric amplification (DC-OPA) is an advanced technique in ultrafast laser technology used to...
digital holographic microscopy
Digital holographic microscopy (DHM) is an advanced imaging technique that combines holography and digital image processing...
PIN photodiode
A PIN photodiode is a type of photodetector or semiconductor device used to convert light signals into electrical signals....
optical modulator
An optical modulator is a device used to control or modify a property of light, such as its amplitude, phase, polarization,...
visual detection and ranging
Visual detection and ranging (ViDAR) is a technology that utilizes optical sensors, such as cameras or other imaging...
medical lasers
Medical lasers are devices that produce intense beams of light with specific characteristics and properties, which are used...
functional near-infrared spectroscopy
Functional near-infrared spectroscopy (fNIRS) is a non-invasive neuroimaging technique that measures changes in hemoglobin...
dark frame
A frame taken to identify electronic noise in a CCD imaging device. A dark frame is recorded without exposing the CCD to any...
parallel scanning
Parallel scanning refers to a method of acquiring data or images simultaneously from multiple sources or in parallel, rather...
aspheric lens
An aspheric lens is a type of lens whose surface profiles deviate from the traditional spherical shape. Unlike spherical...
computer-generated hologram
A computer-generated hologram (CGH) is a holographic image produced using computational methods and algorithms, rather than...
passive optical component
Passive optical components are devices or elements used in optical systems that do not require external power or active...
photoacoustic imaging
Abbreviated PAI. An imaging modality with a hybrid technique based on the acoustic detection of optical absorption from...
false color
In imaging technology, assigning color to black and white images to differentiate features or convey information. Also...
optical aberration
Optical aberration refers to imperfections or deviations from ideal optical behavior in an imaging system, such as a lens or...
nanopositioning equipment
Nanopositioning equipment in photonics refers to highly precise devices used to control the position of optical components...
Debye-Sears ultrasonic cell
A device used in ultrasonic imaging to measure the velocity and attenuation of compressional waves in a transparent liquid...
meniscus lens
A meniscus lens is an optical lens that has one side that is concave (curved inward) and the other side that is convex...
novelty filter
A filtering device that detects what is new in a scene of interest. Often compared to that of a temporal high pass filter,...
quantitative phase imaging
Quantitative phase imaging (QPI) is an advanced imaging technique used in microscopy to measure and analyze the optical...
long-wave infrared
Long-wave infrared (LWIR) refers to a specific range of the infrared spectrum. Infrared radiation is divided into three main...
ultraviolet coatings
Ultraviolet (UV) coatings are specialized optical coatings designed to operate in the ultraviolet region of the...
points per profile
Points per profile in imaging refers to the density or resolution of data points sampled along a line or profile within an...
second-order nonlinear optical properties
Second-order nonlinear optical properties refer to a class of phenomena exhibited by certain materials in response to...
mutual coherent function
A function that quantifies the performance degradation of coherent communications systems, imaging systems and all systems...
infrared light source
An infrared light source is a device that emits light in the infrared spectrum, which lies beyond the visible spectrum of...
photon sieve
A photon sieve is an optical device used in the field of optics and imaging. It's designed to focus and shape light,...
gold colloid aggregates
Gold colloid aggregates refer to clusters or assemblies of gold nanoparticles suspended in a liquid medium. These aggregates...
deep-ultraviolet laser
A deep-ultraviolet (DUV) laser is a type of laser that emits light in the deep ultraviolet region of the electromagnetic...
linear polarization
Linear polarization refers to the polarization state of light where the electric field oscillates in a single plane as the...
stereolithography
A method of creating real three-dimensional models by using lasers driven by CAD software. In contrast to the normal...
embedded laser
The term "embedded laser" typically refers to a laser device that is integrated or embedded into a larger system or...
near-infrared camera
A near-infrared (NIR) camera is an imaging device designed to capture images in the near-infrared region of the...
nanoplasmonics
Nanoplasmonics is a branch of nanophotonics that focuses on the study and manipulation of optical phenomena at the nanoscale...
modulation transfer function analysis/measurement equipment
MTF analysis/measurement equipment refers to instruments and tools used to measure and analyze the modulation transfer...
metalens
A metalens, short for "metasurface lens," is a type of optical lens that uses nanostructured materials to manipulate light...
photoluminescence
Photoluminescence is a phenomenon in which a material absorbs photons (light) at one wavelength and then re-emits photons at...
narrow-angle dark-field illumination
An imaging system designed to highlight small deviations in a planar reflective object such as a mirror. The system can be...
agri-photonics
Agri-photonics refers to the application of photonics technologies in agriculture. Photonics involves the generation,...
spatial light modulator
A spatial light modulator (SLM) is an optical device that modulates or manipulates the amplitude, phase, or polarization of...
high-content screening
Also known as HCS, an analytical method designed to collect statistically relevant amounts of quantitative data on many...
nanophotonics
Nanophotonics is a branch of science and technology that explores the behavior of light on the nanometer scale, typically at...
positron emission tomography
A medical imaging device that uses a ring of crystal/photomultiplier tube assemblies encircling the patient to detect gamma...
moving aperture technique
Method for reducing laser speckle in which the object field comes from a real diffuse object or the reconstructed object...
nonlinear optical materials
Nonlinear optical materials are substances that exhibit optical properties that are not linearly proportional to the...
Doppler-spread imaging
An imaging process, similar to specific Doppler mapping radar techniques, that utilizes a laser, an optical imaging system,...
pseudohologram
Coded image obtained optically with a nonredundant pinhole array imaging aperture.
coded aperture imaging
An imaging process in which the single opening of a simple pinhole camera is replaced with many openings called,...
focal plane array
A linear or two-dimensional matrix of individual detector elements, typically used at the focus of an imaging system.
swept source optical coherence tomography
Swept-source optical coherence tomography is an imaging technique used in medical diagnostics, particularly in...
nitrogen vacancy
A nitrogen vacancy (NV) refers to a specific type of defect or impurity in a crystal lattice where a nitrogen atom replaces...
metaphotonics
Metaphotonics is an emerging field at the intersection of photonics, metamaterials, and nanotechnology. It involves the...
acoustical hologram
An acoustical hologram refers to a three-dimensional representation of sound waves in space, analogous to optical holography...
Camera Link HS
Camera Link HS (high speed) is a standard developed for high-speed digital data transmission in machine vision and...
line-scan camera
A line-scan camera, also known as a line-scan image sensor or linear array camera, is a type of digital camera designed to...
pixel
A pixel, short for "picture element," is the smallest controllable element of a digital image or display. It is a...
fluorescence
Fluorescence is a type of luminescence, which is the emission of light by a substance that has absorbed light or other...
contrast filter
A filter designed to improve contrast in an imaging system. For visual and black and white photosystems, a yellow filter is...
micro-optics
Micro-optics refers to the design, fabrication, and application of optical components and systems at a microscale level....
speckle imaging
A technique for obtaining improved resolution of images produced by large telescopes and distorted by the effects of...
spatio-temporal optical coherence tomography
Spatio-temporal optical coherence tomography (ST-OCT) is an advanced imaging technique that combines the principles of...
epifluorescence microscopy
Fluorescence imaging technique in which the excitation light from the objective is directed into the sample producing...
optical coherence tomography angiography
Also known as OCT-A, optical coherence tomography angiography is an imaging technique that uses light waves to measure...
excimer laser coronary angioplasty
Excimer laser coronary angioplasty (ELCA) refers to a medical procedure used in the treatment of coronary artery disease....
multiline laser system
A multiline laser system refers to a type of laser that is capable of emitting multiple discrete wavelengths or spectral...
spectral signature
A spectral signature, in the context of remote sensing and spectroscopy, refers to the unique pattern or characteristic...
fluorescent protein
Fluorescent proteins are proteins that exhibit the property of fluorescence, which is the ability to absorb light at a...
quantum sensing
Quantum sensing refers to a class of sensing technologies that leverage principles from quantum mechanics to enhance the...
optical filter
An optical filter is a device that selectively transmits or blocks specific wavelengths, or colors, of light. Optical...
holographic camera
A holographic camera, also known as a holographic imaging system or holographic recorder, is a specialized device used to...
short wavelength infrared
Short wavelength infrared (SWIR) refers to the portion of the infrared spectrum that encompasses wavelengths roughly between...
photon jet
A photon jet is a narrow, highly collimated beam of light that is formed when light interacts with small dielectric...
noise equivalent thermal distance
Noise equivalent thermal distance (NETD) is a performance metric used to quantify the sensitivity of thermal imaging...
clipping
A defect in an optical system that prevents rays from reaching their intended destination; it can be caused by an undersized...
fluorescent screen
A fluorescent screen refers to a phosphorescent or fluorescent-coated surface that emits visible light when exposed to other...
reflectance confocal microscopy
Reflectance confocal microscopy (RCM) is a non-invasive imaging technique that allows for high-resolution, in vivo imaging...
delta error
The term delta error (delta-E) generally refers to the difference or change in error between two values or states. The word...
swept-source laser
A swept-source laser, also known as a wavelength-swept laser, is a type of laser that rapidly and continuously changes its...
bioluminescence
Bioluminescence is the natural phenomenon where living organisms produce light through a chemical reaction. In the context...
saccadic motion
The movement of the eye as it focuses on details of a scene. Some imaging systems mimic this movement by small, rapid...
spherical aberration
Spherical aberration is an optical aberration that occurs when light rays passing through a lens or curved optical surface...
image segmentation
Image segmentation is a fundamental process in computer vision and image processing that involves partitioning an image into...
optical coherence tomography imaging system
Optical coherence tomography (OCT) is an imaging technique used in medical diagnostics and biomedical research to obtain...
high dynamic range
High dynamic range (HDR) refers to a technology that allows for a broader and more dynamic range of luminosity in visual...
actinic glass
Actinic glass is a type of glass specifically designed to filter or block ultraviolet (UV) light and other forms of actinic...
spectral domain optical coherence tomography
Spectral domain optical coherence tomography is an imaging technique used in medical diagnostics, particularly in...
micro-optical coherence tomography
Micro-optical coherence tomography (micro-OCT) is an imaging technique that is an adaptation of optical coherence tomography...
stereoplotting
The imaging of two photographs of a stereo pair, in complementary colors, for the preparation of contour maps.
neuromorphic vision sensor
A neuromorphic vision sensor is a type of imaging device designed to mimic the structure and functioning of the human visual...
direct time-of-flight
Direct time-of-flight (dTOF) is a technique used in 3D imaging and depth sensing to measure the time taken for light or...
pulse video thermography
A noncontact, nondestructive method of measuring defects in thin composite materials, using a xenon flashtube to generate...
adaptive deconvolution
Adaptive deconvolution is a computational method that aims to improve the resolution and fidelity of signals or images that...
beam shaper
A beam shaper is an optical device or system designed to modify the spatial profile or intensity distribution of a laser or...
calcium indicator
A calcium indicator is a molecule that is sensitive to changes in calcium ion (Ca2+) concentrations in biological systems....
second-harmonic generation microscopy
A nonlinear label-free imaging technique commonly used during surgical procedures for the visualization of collagen fibers...
CoaXPress
CoaXPress (CoaXPress or CXP) is a standardized digital interface and communication protocol used primarily in machine vision...
synthetic aperture radar
Imaging radar that increases the sweep of its along-track (or azimuth) capacity by measuring not only the time delay of the...
time-correlated single photon counting
Time-correlated single photon counting (TCSPC) is a technique used in photon counting applications, particularly in the...
optical fiber
Optical fiber is a thin, flexible, transparent strand or filament made of glass or plastic used for transmitting light...
fluorescence correlation spectroscopy
Fluorescence correlation spectroscopy (FCS) is a powerful analytical technique used to study the dynamics and interactions...
photonic engine
A photonic engine refers to a device or system that utilizes photonics, or the science and technology of generating,...
diamond turning
Diamond turning, also known as diamond machining or diamond cutting, is a precision machining process used to produce...
photomultiplier tube
A photomultiplier tube (PMT) is a highly sensitive vacuum tube that detects and amplifies low levels of light. It is widely...
Digital Imaging and Communications in Medicine
Digital Imaging and Communications in Medicine (DICOM) is an international standard for medical imaging created by both the...
whole slide imaging
Whole slide imaging (WSI), also known as virtual slide microscopy or digital pathology, is a technology that involves the...
colloidal quantum dots
Colloidal quantum dots (CQDs) are nanometer-sized semiconductor particles that are dispersed in a colloidal solution. These...
depth of field
The distance, on either side of the object plane focused on, through which satisfactory image definition can be obtained....
spectrum analyzers
In optics, spectrum analyzers are instruments used to analyze the spectral characteristics of light emitted or transmitted...
C-mount lens
A C-mount lens refers to a specific type of lens commonly used in machine vision, surveillance, microscopy, and other...
optical parametric amplification
Optical parametric amplification (OPA) is a process in nonlinear optics where a weak signal beam is amplified by a much...
quantitative oblique back illumination microscopy
Quantitative oblique back illumination microscopy (qOBM) is an advanced imaging technique used in microscopy to achieve...
virtual histology
Virtual histology refers to the use of digital technology and computational methods to simulate or recreate histological...
deep multiphoton microscopy
Deep multiphoton microscopy is an advanced imaging technique used in biological and biomedical research to visualize...
Polarization Imaging
A subsurface imaging technique based upon the polarization of light reflected off an object. The polarization of reflected...
fiber laser
A fiber laser is a type of laser in which the active gain medium is an optical fiber doped with rare-earth ions such as...
ophthalmology
Ophthalmology is a branch of medicine that focuses on the anatomy, physiology, and diseases of the eyes and visual system....
acoustic-optic deflection
Acousto-optic deflection refers to a phenomenon where the trajectory of light is altered by acoustic waves propagating...
biomedical laser systems
Biomedical laser systems refer to specialized laser devices and equipment used in medical and biological applications for...
femtosecond laser
A femtosecond laser is a type of laser that emits ultrashort pulses of light with durations on the order of femtoseconds,...
polygonal mirror
A polygonal mirror, also known as a multifaceted mirror or facet mirror, is a type of optical component used in various...
visually coupled airborne systems simulator
A visual system including a tiny television tube and imaging optics, all contained in a helmet to be worn by pilots in...
scanning electron microscopy
Scanning electron microscopy (SEM) is an advanced imaging technique used in microscopy to obtain high-resolution,...
surface-enhanced Raman spectroscopy
Surface-enhanced Raman spectroscopy (SERS) is an analytical technique that combines the principles of Raman spectroscopy...
fluoride fibers
Fluoride fibers are optical fibers made from fluoride-based materials, typically fluoride glasses or crystalline fluoride...
ultrafast pulsed laser
An ultrafast pulsed laser is a type of laser that emits extremely short pulses of light with durations typically on the...
fiber optic bundles
Fiber optic bundles consist of multiple optical fibers grouped together within a common protective sheath or coating. These...
charge-coupled device
A charge-coupled device (CCD) is a type of electronic image sensor used in various imaging devices, including digital...
multispectral imaging
Multispectral imaging is a technique that involves capturing and analyzing images at multiple discrete spectral bands within...
scanning acoustic microscope
Also called scanning laser acoustic microscope. A device that uses high-frequency ultrasound waves to penetrate surfaces. A...
detector array
A detector array refers to a collection of individual detector elements arranged in a two-dimensional grid or matrix format....
singlet lens
A singlet lens is an optical lens made from a single piece of material, typically glass or plastic, with one or both...
machine vision lens
A machine vision lens is a specialized optical lens designed for use in machine vision systems, which are used for automated...
image signal processor
An image signal processor (ISP) is a hardware component or subsystem in digital imaging devices responsible for capturing,...
extreme ultraviolet
Extreme ultraviolet (EUV) refers to a specific range of electromagnetic radiation in the ultraviolet part of the spectrum....
hypercentric lens
A hypercentric lens refers to a lens system where the chief rays of light from an object are directed through the center of...
grating beamsplitter
A grating beamsplitter is an optical device that utilizes the principles of diffraction to split a beam of light into...
structured illumination microscopy
Structured illumination microscopy (SIM) is an advanced optical imaging technique used in microscopy to enhance the...
field of view
The field of view (FOV) refers to the extent of the observable world or the visible area that can be seen at any given...
accessible radiation
Accessible radiation refers to the portion of radiation from a source that can be reached or detected by humans,...
nanopositioning
Nanopositioning refers to the precise and controlled movement or manipulation of objects or components at the nanometer...
optical probe
An optical probe is a device equipped with optical components such as lenses, fibers, or detectors, designed to transmit and...
machine vision system
A machine vision system is an integrated combination of hardware and software components designed to capture, process, and...
edge AI
Edge AI, also known as edge artificial intelligence, refers to the deployment of artificial intelligence (AI) algorithms and...
autofluorescence
Autofluorescence refers to the natural emission of fluorescence exhibited by certain biological structures or molecules when...
brightfield
Brightfield refers to a type of microscopy and imaging technique in which the specimen is illuminated with a white light...
image intensifier
An image intensifier, also known as an image intensification tube or image intensification device, is a specialized...
infrared camera
An infrared camera, also known as a thermal imaging camera or IR camera, is a device that captures and visualizes the...
photobleaching
Photobleaching is a phenomenon in which the fluorescence of a fluorophore (a fluorescent molecule or dye) is permanently...
photodetector
A photodetector, also known as a photosensor or photodiode, is a device that detects and converts light into an electrical...
fluorescence lifetime imaging
Fluorescence lifetime imaging (FLIM) is an advanced imaging technique that provides information about the lifetime of...
run length coding
A digital imaging method whereby the first gray level of each sequential point-by-point sample and its position in the...
freeform mirrors
Freeform mirrors refer to reflective optical components that deviate from traditional symmetric or rotationally symmetric...
adaptive optics
Adaptive optics (AO) is a technology used to improve the performance of optical systems by reducing the effects of...
ratiometry
Ratiometry is a technique used in various scientific fields, particularly in analytical chemistry and biochemistry, to...
laser optics
Laser optics refers to a broad category of optical components and systems designed for manipulating and controlling laser...
endoscope
An endoscope is a medical device used for visualizing and examining the interior of hollow organs, body cavities, or...
microenvironmental control system
Equipment that supports microscopic live-cell imaging by managing the gas, media perfusion, temperature and other factors to...
three-photon microscopy
Three-photon microscopy is an advanced imaging technique that belongs to the family of multi-photon microscopy methods. It...
machine vision
Machine vision, also known as computer vision or computer sight, refers to the technology that enables machines, typically...
optical assembly
An optical assembly refers to a collection of optical components that are carefully arranged and aligned to perform a...
deep ultraviolet
Deep ultraviolet (DUV or deep-UV) refers to a specific range of ultraviolet light with shorter wavelengths than those in the...
galvanometric scanner
A galvanometric scanner, also known as a galvanometer scanner or galvo scanner, is a type of optical scanning device used to...
fluorescence microscopy
Fluorescence microscopy is a specialized optical imaging technique used in biology, chemistry, and materials science to...
cryogenically cooled LWIR camera
A cryogenically cooled long-wave infrared (LWIR) camera is a specialized thermal imaging device designed to detect infrared...
range axis
The third dimension (depth or Z-axis) in an imaging system.
binary thresholding
An imaging technique that labels all gray pixels as either black or white before processing begins.
CMOS camera
A CMOS camera refers to an imaging device that employs a complementary metal-oxide-semiconductor (CMOS) image sensor to...
actinic focus
Actinic focus refers to the point or plane within an optical system where ultraviolet (UV) light or other actinic radiation...
scientific complementary metal-oxide semiconductor
Scientific complementary metal-oxide semiconductor (sCMOS) refers to a type of image sensor technology specifically designed...
scintillation crystal
A scintillation crystal, also known simply as a scintillator, is a material that emits light when it interacts with ionizing...
scientific CMOS camera
A scientific CMOS (complementary metal-oxide-semiconductor) camera is a type of digital camera specifically designed for...
thermal-infrared camera
A thermal-infrared camera, often referred to simply as a thermal camera, is a type of imaging device that detects infrared...
back-side illumination
Back-side illumination (BSI) is a technology used in imaging sensors, particularly in digital cameras, where the light is...
frame grabber
A frame grabber is a hardware device or interface card that connects to a computer or imaging system and is designed to...
read-out integrated circuit
A read-out integrated circuit (ROIC) is an electronic device used in imaging systems, particularly in infrared (IR) and...
high-speed motion camera
A high-speed motion camera, also known as a high-speed camera or slow-motion camera, is a specialized imaging device...
piezoelectric
Piezoelectricity is a property exhibited by certain materials in which they generate an electric charge in response to...
absorption lens
An absorption lens is a type of optical lens that not only focuses or diverges light but also significantly absorbs certain...
chemical sensing
Chemical sensing refers to the detection and measurement of specific chemical compounds or substances in various...
long-pass filter
A long-pass filter is an optical filter that allows longer wavelengths of light to pass through while blocking or...
image photocounting distribution
Photon flow created by imaging of light into a detector array; IPD is the electrical signal used by the image processor in a...
CMOS image sensor
A CMOS image sensor, short for complementary metal-oxide-semiconductor image sensor, is a type of semiconductor device used...
light field
The term light field refers to the spatial distribution of light rays traveling in all directions through a given space. It...
photoacoustic
Photoacoustic refers to the generation of acoustic (sound) waves following the absorption of light (usually laser pulses) by...
motorized positioning equipment
Motorized positioning equipment in optics and photonics refers to devices and systems that use motors to precisely control...
alpha
In computer imaging, a value representing opacity.
focal plane assembly
An infrared imaging device composed of a detector array and readout electronics. It may include a cryogenic cooling system....
germanium crystal
Germanium crystal refers to a crystalline form of the element germanium (Ge), which is a metalloid and semiconductor...
digital radiography
Medical diagnostic (x-ray) imaging using laser printers to produce high-resolution digital hard copy instead of film exposed...
GRIN lens
A GRIN (gradient index) lens is a type of optical lens that utilizes a gradient in refractive index across its volume rather...
stochastic optical reconstruction microscopy
Stochastic optical reconstruction microscopy (STORM) is a superresolution microscopy technique that enables imaging of...
luminescence
Luminescence is the emission of light that occurs without the involved substance undergoing a significant increase in...
electro-optic modulator
An electro-optic modulator (EOM) is a device used to modulate the amplitude, phase, or polarization of light waves using an...
modulated transfer function
The modulated transfer function (MTF) is a measure used in optical engineering and imaging science to describe the ability...
mid-wave infrared
MWIR stands for mid-wave infrared, referring to a specific range of wavelengths within the infrared spectrum. Infrared...
aptamer
An aptamer is a short, single-stranded DNA or RNA molecule that can bind to a specific target molecule with high affinity...
optoelectronics
Optoelectronics is a branch of electronics that focuses on the study and application of devices and systems that use light...
terahertz
Terahertz (THz) refers to a unit of frequency in the electromagnetic spectrum, denoting waves with frequencies between 0.1...
coverslip
A coverslip, also known as a cover glass or cover slip, is a thin and flat piece of transparent material typically made of...
backside-illuminated sensor
A backside-illuminated (BSI) sensor is an image sensor technology where the light-sensitive elements (typically pixels) are...
electrostatic image dissector
A nonmagnetic instrument utilizing an electrofocus and deflection tube with a photocathode for imaging purposes. The optical...
scanning electron microscope
A scanning electron microscope (SEM) is a powerful imaging instrument used in scientific research, materials...
optoacoustic
Optoacoustic, or photoacoustic, refers to a phenomenon and related techniques that involve the generation of acoustic waves...
swept-source Raman spectroscopy
swept-source Raman spectroscopy is an advanced analytical technique that combines the principles of Raman spectroscopy with...
optical testing instrument
An optical testing instrument is a device or system used to evaluate and measure the performance, quality, and...
line scan
Line scan refers to a method of capturing images or data by scanning a single line at a time, as opposed to capturing the...
standard thermal profile
In infrared imaging systems used for mass screening of printed circuit boards or other quality control applications, an...
transducer
A transducer is a device or component that converts one form of energy into another. It is commonly used in various fields,...
indium gallium arsenide camera
An InGaAs (indium gallium arsenide) camera is a type of imaging device that utilizes InGaAs sensors to capture images in the...
optical phase distortion
Optical phase distortion refers to a phenomenon where the phase of an optical wavefront is altered as it propagates through...
multianode microchannel array detector
A photon-counting instrument for use in both space-borne and ground-based photometric and spectroscopic instrumentation....
resonator
A resonator is a device or system that exhibits resonance, which is a phenomenon that occurs when an external force or...
nonlinear crystal
A nonlinear crystal is a type of crystal that exhibits nonlinear optical properties when subjected to intense...
axicon
An axicon is a type of optical component characterized by its conical shape and its ability to transform a collimated...
quantum efficiency
Quantum efficiency (QE) is a measure of the effectiveness with which a device or system, typically in the context of...
cosine fourth law
A formula indicating that, for an imaging lens system, the image brightness for off-axis points will fall off at a rate...
intelligent vision systems
Intelligent vision systems combine traditional computer vision techniques with artificial intelligence (AI) and machine...
total internal reflection fluorescence
Total internal reflection fluorescence (TIRF) microscopy is an advanced fluorescence microscopy technique that leverages the...
emissivity correction matrix
A computer-generated routine for achieving true-temperature readings in thermal infrared imaging systems.
electron multiplication charge-coupled device camera
An EMCCD (electron-multiplying charge-coupled device) camera is a type of scientific camera specifically designed for...
uniformly redundant array
Array used in coded-aperture imaging experiments with two-beam CO2 lasers that provide an artifact-free process, faithful...
optical artifacts
Optical artifacts refer to undesired or unintended effects that can occur in optical systems, such as microscopes, cameras,...
Brillouin microscopy
Brillouin microscopy is a non-invasive imaging technique that utilizes Brillouin scattering to measure the mechanical...
acceptance pattern
The acceptance pattern, often used in the context of antennas and optical systems, refers to the spatial distribution of the...
continuous strobe
A continuous strobe, also known as a continuous light or constant light strobe, is a type of lighting device used in...
raster image processor
In imaging technology, a device that converts raster or line-scan data to pixel form for further processing.
diffractive optical processors
Diffractive optical processors are optical devices that utilize diffractive optics principles to perform various...
mid-infrared camera
A mid-infrared camera is a type of imaging device designed to capture images in the mid-infrared (mid-IR) spectral range,...
electro-optic Fabry-Perot spectroscopy
The spectroscopic analysis of interference patterns using an electronic imaging tube with a Fabry-Perot interferometer to...
accessible emission
Accessible emission typically refers to the portion of emitted radiation (light, particles, etc.) from a source that can be...
cathode radiant sensitivity
Cathode radiant sensitivity refers to the ability of a photocathode to convert incident radiant energy, typically in the...
point spread function
The point spread function (PSF) is a fundamental concept in imaging that describes the response of an imaging system to a...
laser lithotripsy
Laser lithotripsy is a medical procedure that uses laser energy to break down or fragment stones in various parts of the...
acousto-optics
Acousto-optics is a branch of physics that deals with the interaction of sound waves (acoustic waves) and light waves...
atomic force microscope
An atomic force microscope (AFM) is a high-resolution imaging and measurement instrument used in nanotechnology, materials...
low Earth orbit
Low Earth orbit (LEO) refers to a region in space that is relatively close to Earth's surface, typically characterized by...
triangulation
A method of measuring distance by recording a single scene from two points of perspective. Surveying instruments can be...
synthetic interferometric image
An imaging technique in which an object moving through an interference field formed in space scatters light and is spatially...
plasmonics
Plasmonics is a field of science and technology that focuses on the interaction between electromagnetic radiation and free...
liquid crystal eyewear
A wireless stereo imaging device used in conjunction with a monitor to produce a virtual interactive environment. Liquid...
quantum-ehanced metrology
Quantum-enhanced metrology refers to the use of quantum mechanics principles and techniques to enhance the precision and...
ultrasonic
Ultrasonic refers to sound waves with frequencies higher than the upper audible limit of human hearing, typically above...
multi-image phasor analysis
Multi-image phasor analysis is a computational method used in fluorescence microscopy for analyzing complex datasets...
evaporagraph
A sensor generally used for infrared imaging. It consists of two chambers separated by a thin, blackened membrane. An...
indium gallium arsenide
Indium gallium arsenide (InGaAs) is a semiconductor compound composed of indium (In), gallium (Ga), and arsenic (As). It...
computational imaging
Computational imaging refers to the use of computational techniques, algorithms, and hardware to enhance or enable imaging...
parallel processing
In imaging, the processing of pixel data in such a way that a group of pixels is analyzed at one time rather than one pixel...
acutance
Acutance refers to the perceived sharpness of an image in terms of the contrast of edges, rather than the resolution of fine...
circular-ranging optical coherence tomography
Circular-ranging optical coherence tomography (CR-OCT) is a specialized imaging technique used in medical diagnostics and...
second-harmonic generation
Second-harmonic generation (SHG) is a nonlinear optical process that occurs when two photons with the same frequency combine...
magneto-optics
Magneto-optics refers to the study and manipulation of the interaction between magnetic fields and light (electromagnetic...
freeform optics
Freeform optics refers to the design and fabrication of optical surfaces that do not follow traditional symmetric shapes,...
event-based sensor
An event-based image sensor, also known as a dynamic vision sensor (DVS), is a type of digital imaging device designed to...
aplanatic surface
An aplanatic surface is an optical surface that is specifically designed or shaped to minimize spherical aberration and...
Raster scanning
Raster scanning is a technique used in imaging and scanning systems to systematically capture and process information from a...
CID camera
CID, or charge injection device, camera refers to a type of imaging device that utilizes a specific kind of solid-state...
forward-looking infrared
A night-vision device that uses one or more infrared transducers to scan a scene in the 3- to 5-µm or 8- to...
high-sensitivity camera
A high-sensitivity camera is a type of camera designed to perform well in low light conditions, capturing clear and detailed...
addressability (optical)
Optical addressability refers to the capability to control or manipulate individual elements that emit or modulate light...
holographic tomography
Holographic tomography is an advanced imaging technique that combines holography and tomography to provide three-dimensional...
metabolic imaging
Metabolic imaging refers to the visualization and quantification of metabolic processes within living organisms, tissues, or...
nanostructured glass
A unique glass made up of nano-structured materials to create millimeter sized monolithic glass space-variant polarization...
photonic crystal surface-emitting laser
A photonic crystal surface-emitting laser (PCSEL) refers to a type of laser diode that emits light from its surface rather...
intensified charge-coupled device camera
An intensified charge-coupled device (ICCD) camera is an advanced imaging device that combines the capabilities of both an...
laser-induced fluorescence
Laser-induced fluorescence (LIF) is a spectroscopic technique that involves using a laser to excite molecules or atoms,...
hyperspectral resolution
Hyperspectral resolution refers to the level of detail or granularity in the spectral information captured by a...
meta-optics
Meta-optics, also known as metasurface optics or flat optics, is a branch of optics that involves the design, fabrication,...
custom optic
A custom optic refers to an optical component that is designed, manufactured, and tailored to meet specific requirements or...
periscope
An optical instrument designed to displace the line of sight in a vertical direction. For submarines and other military uses...
infrared automatic mass screening
A thermal infrared imaging procedure developed for quality control of printed circuit boards. The thermogram of each board...
image jump
In optics, the term image jump refers to a displacement or shift in the apparent position of an image when a change occurs...
pixel binning
Pixel binning, also known as pixel merging or pixel combining, is a technique used in digital imaging and camera technology....
molded lens
A molded lens is an optical lens manufactured using a molding process, typically involving the shaping of a material, such...
acousto-optic diffraction
Acousto-optic diffraction refers to the process where light passing through an optically transparent material is diffracted...
microlens array
A microlens array is a grid-like structure composed of numerous small lenses, typically arranged in a regular pattern. Each...
InGaAs photodiode
An InGaAs photodiode refers to a photodetector device that is constructed using a semiconductor material composed of a...
attenuation
Attenuation refers to the gradual loss or reduction of intensity, force, or magnitude of a particular property as it...
high harmonic generation
High harmonic generation (HHG) refers to a nonlinear optical process in which intense laser light interacts with a gaseous...
phase mask
In optics and photolithography, a phase mask refers to a device that modifies the phase of light waves passing through it....
broadband dielectric mirrors
Broadband dielectric mirrors, also known as broadband mirrors, are optical coatings designed to efficiently reflect or...
catoptrics
Catoptrics is the field of optics concerned with the reflection of light from reflective surfaces such as mirrors. It...
aperture imaging
The formation of an image by a pinhole aperture that transmits radiation, such as gamma radiation.
photodiode detector
A photodiode detector is a semiconductor device that converts light into an electrical current. It operates based on the...
infrared detector
An infrared detector is a device that is used to detect and measure infrared radiation, which lies beyond the visible...
nanoparticle photonic resonator absorption microscopy
Nanoparticle photonic resonator absorption microscopy is a microscopy technique that combines the principles of photonic...
infrared optic
Infrared optics refer to optical components and systems designed to manipulate and control infrared (IR) light, which lies...
single-photon avalanche diode
A single-photon avalanche diode (SPAD) is a specialized type of photodetector designed to detect extremely weak optical...
activity (radioactivity)
Radioactivity refers to the spontaneous emission of radiation from the nucleus of an unstable atom. This emission occurs as...
backscatter
Backscatter refers to the phenomenon in which radiation or waves are scattered backward, opposite to the direction of the...
thermography
Thermography is a technique that involves the use of an infrared imaging device, called a thermal camera or infrared camera,...
free-electron laser
A free-electron laser (FEL) is a type of laser that generates coherent, high-intensity electromagnetic radiation by using a...
dichroic mirror
A dichroic mirror, also known as a dichroic beamsplitter or interference filter beamsplitter, is an optical device that...
single molecule localization microscopy
Single molecule localization microscopy (SMLM) is a group of super-resolution microscopy techniques that surpass the...
2D profile sensor
A 2D profile sensor is a type of sensor used in various industrial and technological applications to measure and capture...
supercontinuum
Supercontinuum refers to a broad spectrum of light that spans a wide range of wavelengths, typically from the visible to the...
embedded vision
Embedded vision refers to the integration of computer vision technologies into various embedded systems, devices, or...
piezoelectric transducers and ceramic materials
Piezoelectric transducers are devices that utilize the piezoelectric effect to convert electrical energy into mechanical...
minimum resolvable temperature
In a thermal imaging system, the smallest change in blackbody equivalent temperature that can be detected clearly by the...
scintillation detector
A scintillation detector is a radiation detection device that utilizes scintillation crystals to detect and measure ionizing...
spatial light interference microscopy
Spatial light interference microscopy (SLIM) is an optical microscopy technique that belongs to the category of quantitative...
negative-refraction metamaterial
An artificial material, engineered to have a negative refractive index value, such that light or any other form of...
motion controller
In optics, a motion controller refers to a device or system that precisely controls the movement of optical components, such...
linear image sensor
A linear image sensor is a type of solid-state electronic device used to capture and convert light into electrical signals....
absolute white
Absolute white is a term used in color science and imaging to describe a reference white point that represents the...
gravitational imaging
A process used to detect minute gravitational fields and to display images from objects by means of radiated gravitational...
optical coherence tomography
Optical coherence tomography (OCT) is a non-invasive imaging technique used in medical and scientific fields to capture...
laboratory instruments and supplies
Optical laboratory instruments and supplies are essential tools and materials used in laboratories for studying and...
phase
In optics and photonics, "phase" refers to a property of electromagnetic waves, such as light, that describes the position...
coherent anti-Stokes Raman spectroscopy
Coherent anti-Stokes Raman spectroscopy (CARS) is a powerful technique used in spectroscopy to probe molecular vibrations in...
coherent fiber bundle
A coherent fiber bundle (CFB), also known as a coherent fiber optic bundle, is an assembly of multiple optical fibers...
instantaneous field of view
Instantaneous field of view (iFOV) is a term commonly used in the context of remote sensing, imaging systems, and optical...
on-board optics
On-board optics refers to optical systems integrated into devices or platforms for various purposes, such as imaging,...
differential interference contrast microscopy
Differential interference contrast (DIC) microscopy, also known as Nomarski interference contrast microscopy, is an optical...
mirror blank
A mirror blank refers to the initial piece of material from which a mirror is made. It is typically a flat or slightly...
optical consulting services
Optical consulting services involve specialized expertise and support provided by optical engineering firms, consultants, or...
point light source
1. With respect to angular subtense, a source of light, such as a star, that is very small. In a lab, a point source may be...
Geometrical optics
The area of optics in which the propagation of light is described by geometrical lines (or rays) governed by Fermat's...
flatbed scanner
An imaging device analogous to a drum scanner, but operating at greater speeds; it uses a row of sensors to traverse an...
thermomagnetic imaging
The production of an image on a magnetic film that is exposed to infrared radiation and heated to a point above Curie...
scanning tunneling microscope
A high-resolution imaging instrument that can detect and measure the positions of individual atoms on the surface of a...
CCD image sensor
A CCD image sensor, or charge-coupled device image sensor, is a type of electronic device used to convert optical images...
ultraviolet fiber optics
Ultraviolet (UV) fiber optics refers to optical fibers that are designed and optimized for the transmission of ultraviolet...
infrared lens
An infrared lens is an optical component specifically designed and optimized for transmitting, focusing, or manipulating...
machine vision illumination systems
Machine vision illumination systems are specialized lighting setups designed to optimize the performance of machine vision...
noise equivalent delta temperature
In a thermal imaging system, the change in temperature that yields a signal-to-noise ratio of unity.
concave and convex spherical mirror
Concave and convex spherical mirrors are types of curved mirrors that have surfaces shaped like segments of spheres. These...
orange peel
In the context of imaging, particularly digital imaging and printing, "orange peel" refers to a texture or visual distortion...
in situ
In situ, from Latin meaning "in place," refers to a method or approach where measurements, observations, or experiments are...
imaging science
The science of producing, recording, storing, transmitting and displaying visual images by any system (photographic, video,...
vortex phase plate
A vortex phase plate is an optical device designed to impart a phase singularity, commonly referred to as a vortex or phase...
fiber-coupled photoconductive antenna
A fiber-coupled photoconductive antenna (FCPA) is a type of optoelectronic device that combines a photoconductive antenna...
STED microscopy
STED microscopy, or stimulated emission depletion microscopy, is a superresolution imaging technique in fluorescence...
spaser
A spaser (surface plasmon amplification by stimulated emission of radiation) is a nanoscale device that generates coherent...
ultrasonic imaging
The formation and display of three-dimensional images by ultrasonic energy. In one technique, the energy pulses from an...
lensless microscopy
Lensless microscopy, also known as computational or holographic microscopy, is an imaging technique that captures and...
3D profiling
3D profiling, also known as three-dimensional profiling, refers to the process of capturing, analyzing, and visualizing the...
mesoscope
In the field of optics and imaging, a mesoscope refers to an optical instrument that is designed to observe and capture...
enhanced picture archiving and communication system display
Enhanced picture archiving and communication system (PACS) display (ePAD) is a software tool used in medical imaging to...
acousto-optic modulation
Acousto-optic modulation refers to the process of using acoustic waves to modulate the properties of light passing through...
single-photon emission computed tomography
A medical imaging method in which gamma camera heads rotate about the patient to detect radionuclides, enabling physicians...
photoconductive antenna
Photoconductive antenna (PCA) is a semiconductor element that generates or detects high-frequency electromagnetic signals....
solid-state imaging system
An imaging system that uses a mosaic of tiny light-sensitive semiconductors (phototransistors) to produce individual outputs...
two-photon excited fluorescence
Two-photon excited fluorescence (TPEF) is a nonlinear optical method that allows imaging of biological cells and living...
thermal imaging
Thermal imaging is a technology that detects infrared radiation (heat) emitted by objects and converts it into an image,...
carbon fullerenes
Carbon fullerenes are a class of carbon-based molecules composed entirely of carbon atoms arranged in a hollow, closed,...
phototheranostics
Phototheranostics, a portmanteau of "photo" (light), "therapy," and "diagnostics," refers to an emerging field that combines...
optofluidics
Optofluidics is an interdisciplinary field that combines principles from optics and fluidics to create devices and systems...
nanotube
A nanotube, also known as a nanotubule or simply a tube-like structure, is a nanoscale cylindrical structure composed of...
photomicrograph
A photomicrograph is an image taken through a microscope, typically using a camera attached to the microscope's eyepiece or...
time-lapse optical coherence tomography
Time-lapse optical coherence tomography (OCT) refers to a medical imaging technique that captures a series of sequential OCT...
diamond-turned optic
Diamond turning refers to a precision machining process used to produce complex optical components, particularly lenses and...
magnetic resonance imaging
An imaging technique used in radiology that is based on the principles of nuclear magnetic resonance (NMR) to produce...
biomarker
A biomarker, short for biological marker, refers to a measurable and quantifiable indicator of a biological condition,...
image processing equipment
Image processing equipment refers to hardware and software systems designed for capturing, manipulating, analyzing, and...
acousto-optic modulator
An acousto-optic modulator (AOM) is a device that utilizes the acousto-optic effect to modulate the amplitude, phase,...
time-to-amplitude converter
A time-to-amplitude converter (TAC) is an electronic circuit that converts a time interval between two events into an...
chromatic aberration
Chromatic aberration is an optical phenomenon that occurs when different wavelengths (colors) of light are refracted by a...
active optics
Active optics refers to a technology used in telescopes and other optical instruments to improve the quality of images by...
area scan
Area scan, in the context of imaging and cameras, refers to a method of capturing an entire two-dimensional image in a...
additive color process
The additive color process refers to the method of creating color by combining different wavelengths of light. This...
flat optical-quality mirrors
Flat optical-quality mirrors are highly precise reflective surfaces used in various optical applications where the quality...
transverse mode
In the context of optics and lasers, a transverse mode refers to a specific spatial pattern of the electric field within the...
superresolution
Superresolution refers to the enhancement or improvement of the spatial resolution beyond the conventional limits imposed by...
optical materials
Optical materials refer to substances or compounds specifically chosen for their optical properties and used in the...
absorbing wedge
An absorbing wedge is an optical device used to control the intensity of light passing through it by absorbing a portion of...
linear receive optics
Linear receive optics typically refers to the optical components and systems used in the reception (detection) of linearly...
image comparison
A method used in imaging to detect subtle differences between two apparently similar pictures. It can be achieved by...
full width half maximum
The full width at half maximum (FWHM) is a measure used in various fields, particularly in spectroscopy, signal processing,...
high-voltage electron microscope
An imaging device whose technology contributes three specific advantages: ability to study large solid specimens that...
video scan converter
A device that changes the number of lines per frame of a video image to adapt to a lower resolution format, either by...
infrared microscope
A type of microscope that uses radiation in the infrared region to illuminate objects that are opaque to visible radiation....
silicon photodiode
A silicon photodiode is a semiconductor device that converts light into an electrical current. It is a type of photodetector...
X resolution
X resolution is a measure of the number of pixels or data points along the horizontal axis of an image or display. It...
noncontact automatic inspection systems
Noncontact inspection systems are advanced measurement and inspection technologies that evaluate the properties and...
antiblooming gate
A device that prevents electrons from a saturated pixel in a CCD imaging device from spilling into an adjacent pixel. The...
CCD camera
A CCD camera, or charge-coupled device camera, is a type of digital camera that utilizes a CCD image sensor to capture and...
microchannel plate
A microchannel plate (MCP) is a specialized electron multiplier device used in various applications such as particle...
infrared coatings
Infrared coatings, also known as IR coatings, are specialized optical coatings designed to manipulate the transmission,...
Dammann grating
A Dammann grating is a type of diffractive optical element (DOE) used to create an array of equally spaced,...
holographic particle velocimetry
A method of measuring flow velocity by seeding the flow with neutrally buoyant particles and using a pulsed laser to...
fiber optic imaging bundle
A fiber optic imaging bundle is a specialized optical device composed of multiple optical fibers bundled together. Each...
acoustical holography
Acoustical holography is a technique used to visualize and analyze sound fields in three-dimensional space. It involves...
smart microscopy
Smart microscopy refers to the integration of advanced technologies, such as artificial intelligence (AI), automation, and...
fiber optic spectrometer
A fiber optic spectrometer is a device used for measuring the spectral content of light. It utilizes optical fibers to...
integration time
Integration time, in the context of optics, imaging systems, and sensor technology, refers to the duration over which a...
indirect time-of-flight
Indirect time-of-flight (iTOF) is a method used in 3D imaging and depth sensing to measure the distance to an object based...
photogrammetry
Photogrammetry is a technique used to obtain accurate three-dimensional measurements of objects and environments through the...
off-axis paraboloid and ellipsoid mirror
Off-axis paraboloid and ellipsoid mirrors are specialized optical components used in various optical systems, particularly...
laser guide star
An artificial star used to aid in adaptive optics imaging of the sky. The guide star is provided from a telescope system on...
retroreflector
A retroreflector is an optical device or structure that reflects incident light or electromagnetic waves back to their...
liquid/fluid optics
Liquid or fluid optics refers to the use of liquids to create or enhance optical systems. These systems leverage the unique...
hyperspectral imaging
Hyperspectral imaging is an advanced imaging technique that captures and processes information from across the...
(440 results found)
Jan/Feb 2025
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