Search
Menu
Trioptics GmbH - Worldwide Benchmark 4-24 LB
quality Dictionary Terms

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...
optical instrument dome
A dome-shaped structure used for some optical instruments in place of a flat window. The transparent material should be of...
pixel binning
Pixel binning, also known as pixel merging or pixel combining, is a technique used in digital imaging and camera technology....
microenvironmental control system
Equipment that supports microscopic live-cell imaging by managing the gas, media perfusion, temperature and other factors to...
clearing
Also called shining. Grinding and polishing one surface of a blank to permit a more thorough examination for quality.
colorimeter
A colorimeter is a device used to measure and quantify the color characteristics of an object or a light source. It provides...
photochromic
Photochromic refers to a property exhibited by certain materials, typically organic compounds or dyes, which undergo...
optical assembly
An optical assembly refers to a collection of optical components that are carefully arranged and aligned to perform a...
laser optics
Laser optics refers to a broad category of optical components and systems designed for manipulating and controlling laser...
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...
artificial star
A point source of light used for the test and evaluation of image quality. May be a backlit pinhole in an otherwise opaque...
custom lapping and polishing services
Custom lapping and polishing services involve specialized processes used to improve the surface finish and dimensional...
cathode-ray tube lens
A high-quality, narrow-angle lens of high aperture designed for low magnification in the recording of cathode-ray tube...
ellipsometry
Ellipsometry is an optical technique used to characterize the properties of thin films and surfaces. It is based on the...
etalon
An etalon is an optical device that consists of two parallel reflecting surfaces separated by a precise and known distance....
image intensifier
An image intensifier, also known as an image intensification tube or image intensification device, is a specialized...
band-to-band photoluminescence
The emission of a photon by the return of an excited carrier from the conduction band to the valence band of a semiconductor...
infrared automatic mass screening
A thermal infrared imaging procedure developed for quality control of printed circuit boards. The thermogram of each board...
achromat
An achromat, in the context of optics, refers to a type of lens or lens system designed to reduce chromatic aberration....
gallium arsenide phosphide
Gallium arsenide phosphide (GaAsP) is a semiconductor alloy composed of gallium (Ga), arsenic (As), and phosphorus (P). It...
monochromator
A monochromator is an optical instrument used to isolate and select a narrow range of wavelengths from a broader spectrum of...
diode-pumped solid-state laser
A diode-pumped solid-state laser (DPSSL) is a type of laser system that uses semiconductor diode lasers to pump energy into...
FTIR spectrometer
FTIR (Fourier transform infrared) spectrometer is a powerful analytical instrument used to obtain an infrared spectrum of...
Weissenberg method
The Weissenberg method, named after the German physicist Karl Weissenberg, is a technique used in x-ray crystallography for...
aplanatic surface
An aplanatic surface is an optical surface that is specifically designed or shaped to minimize spherical aberration and...
optical testing instrument
An optical testing instrument is a device or system used to evaluate and measure the performance, quality, and...
frame rate
Frame rate refers to the frequency at which consecutive images, or frames, are displayed in a video sequence. It is...
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...
beam profiling
Beam profiling is a technique used to characterize and analyze the spatial intensity distribution of a laser beam. It...
embedded vision
Embedded vision refers to the integration of computer vision technologies into various embedded systems, devices, or...
CMOS camera
A CMOS camera refers to an imaging device that employs a complementary metal-oxide-semiconductor (CMOS) image sensor to...
die bonding
Die bonding is a critical process in semiconductor manufacturing and microelectronics assembly, where a semiconductor die or...
photoluminescence mapping
A technique used for noncontact inspection of semiconductor wafers. The material is illuminated by an excitation source that...
quality, surface
optical fiber
Optical fiber is a thin, flexible, transparent strand or filament made of glass or plastic used for transmitting light...
epitaxial
Epitaxial refers to the growth of a crystalline layer on a crystalline substrate in such a way that the orientation of the...
Nd:YAG laser
Nd:YAG laser refers to a solid-state laser that utilizes neodymium-doped yttrium aluminum garnet (Nd:Y3Al5O12) as the gain...
photobleaching
Photobleaching is a phenomenon in which the fluorescence of a fluorophore (a fluorescent molecule or dye) is permanently...
confocal resonator
A confocal resonator, also known as a confocal cavity or confocal laser resonator, is a type of optical resonator...
lens blank
A lens blank is a piece of optical material in a raw, unfinished state, typically in the form of a disk or block, from which...
dichroic
Exhibiting the quality of dichroism.
Crayford focuser
A high-quality focuser that uses rollers rather than gears and offers smooth, precise motion while reducing or eliminating...
oil-immersion objective
A form of high-power microscope objective where the space between the object and the first element is filled with an oil...
holographic microscopy
The holographic recording of a microscopic specimen whereby magnification is achieved by alteration in a wavelength or...
liquid crystal on silicon
Liquid crystal on silicon (LCoS) is a display technology that combines liquid crystal materials with silicon-based...
epitaxial equipment
Epitaxial equipment refers to a set of specialized tools and systems used in the process of epitaxy, which is the growth of...
near-infrared camera
A near-infrared (NIR) camera is an imaging device designed to capture images in the near-infrared region of the...
wide-field fluorescence microscopy
Wide-field fluorescence microscopy uses either naturally occurring structures or staining with fluorescent tags that are...
blur circle
A blur circle refers to the out-of-focus region in an image captured by an optical system. When an object in a scene is not...
optical power spectrum
Also known as the Wiener spectrum or the noise power spectrum, the optical power spectrum is a fundamental quantity in...
field of collimator
An expression of the tolerance of decentration of a laser diode from the optical axis: the region around the axis in 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...
contour projection chart
A large-scale, precise drawing of the contours of a perfect mechanical part, often with plus and minus tolerances drawn or...
infrared lens
An infrared lens is an optical component specifically designed and optimized for transmitting, focusing, or manipulating...
machine vision system
A machine vision system is an integrated combination of hardware and software components designed to capture, process, and...
organic light-emitting diode
An organic light-emitting diode (OLED) is a type of light-emitting diode (LED) technology that utilizes organic compounds to...
turbidity
Turbidity is a measure of the cloudiness or haziness of a fluid caused by the presence of suspended particles. These...
optical coatings
Optical coatings are thin layers of materials applied to optical components, such as lenses, mirrors, filters, and prisms,...
retinal reflectometry
The study of the quality of the image formed on the retina by the measurement of the flux reflected from the eye when the...
spot diagram
A method of evaluating image quality whereby a large number of rays are traced through a lens from a single object point,...
surface quality standards
The standards of MIL-O-13830 set by the US government relative to tolerable surface scratches and other such defects in an...
wedge ring detector
A diffraction pattern sampling unit composed of a 32-element monolithic silicon photodiode array and a readout unit. The...
GRIN lens
A GRIN (gradient index) lens is a type of optical lens that utilizes a gradient in refractive index across its volume rather...
aspheric mirror
An aspheric mirror is an optical mirror surface that deviates from the shape of a perfect sphere, having a non-spherical...
optical transfer function
The function that characterizes the quality of an optical system by denoting the modulation and spatial phase shift of the...
hyperspectral imaging camera
A hyperspectral imaging camera is a sophisticated imaging device capable of capturing and processing data across a wide...
electromagnetic image tube
An image intensifier tube that uses a magnetic field for focusing. It yields high-quality images, but its use is limited by...
polyvinyl alcohol
An optical-quality polymer used in birefringent retarders.
linear receive optics
Linear receive optics typically refers to the optical components and systems used in the reception (detection) of linearly...
detector-Dewar assembly
A detector-Dewar assembly typically refers to a combination of a detector and a Dewar flask used in scientific instruments,...
optical glass
Optical glass refers to a type of glass specifically engineered and manufactured for use in optical components and systems,...
luminosity
Quality or state of being luminous.
atmospheric turbulence
Irregularities and disturbances in the atmosphere that are of particular interest because they induce random temporal and...
CoaXPress
CoaXPress (CoaXPress or CXP) is a standardized digital interface and communication protocol used primarily in machine vision...
reflection grating
A reflection grating is an optical component that consists of a series of closely spaced, parallel reflecting surfaces or...
local injection detection system
A device used to evaluate the quality of fiber optic splices made in the field by injecting light into the cladding of the...
magnetic resonance imaging
An imaging technique used in radiology that is based on the principles of nuclear magnetic resonance (NMR) to produce...
vapor-phase axial deposition
A process by which high-quality fiber optics are made. See axial vapor-phase deposition.
optical figure
The amount by which an optical surface deviates from its ideal design value, expressed in wavelengths of light. Optical...
machine vision lens
A machine vision lens is a specialized optical lens designed for use in machine vision systems, which are used for automated...
edge response
Intensity distribution in the image of an edge. The gradient of the edge-response curve is a measure of the image quality of...
optical manufacturing tools and machinery
Optical manufacturing tools and machinery encompass a wide range of equipment, instruments, and systems used in the...
2D profile sensor
A 2D profile sensor is a type of sensor used in various industrial and technological applications to measure and capture...
laser diode array
A group of single emitter laser diodes, usually arranged vertically or horizontally with respect to each other. The power...
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...
modified chemical vapor deposition
Modified chemical vapor deposition (MCVD) is a technique used in the fabrication of optical fibers. It is a specialized form...
dispersion
Dispersion refers to the phenomenon where different wavelengths (colors) of light travel at different speeds when passing...
optical combiner
An optical combiner, in the context of optics and display technologies, refers to a device or component that combines...
photonics contract manufacturing
Photonics contract manufacturing refers to the outsourcing of the production of photonics-related components, devices, or...
metrology
Metrology is the science and practice of measurement. It encompasses the theoretical and practical aspects of measurement,...
digital camera
A digital camera is a device that captures and records still images or video in digital format. Unlike traditional film...
molded lens
A molded lens is an optical lens manufactured using a molding process, typically involving the shaping of a material, such...
pixel
A pixel, short for "picture element," is the smallest controllable element of a digital image or display. It is a...
optical filter
An optical filter is a device that selectively transmits or blocks specific wavelengths, or colors, of light. Optical...
laser cavity
A laser cavity, also known as an optical cavity or resonator, is a fundamental component of a laser system. It is a confined...
Rayleigh limit
The restriction of wavefront error to within a quarter of a wavelength of a true spherical surface to assure essentially...
swept source optical coherence tomography
Swept-source optical coherence tomography is an imaging technique used in medical diagnostics, particularly in...
ultraviolet fiber optics
Ultraviolet (UV) fiber optics refers to optical fibers that are designed and optimized for the transmission of ultraviolet...
astronomical mirror
An astronomical mirror, also known as a telescope mirror or primary mirror, is a key component of a reflecting telescope. It...
polarization
Polarization refers to the orientation of oscillations in a transverse wave, such as light waves, radio waves, or other...
Nomarski microscopy
Also referred to as differential interference contrast (DIC) microscopy; Nomarski microscopy is a unique form of microscopy...
digital signal processing
Digital signal processing (DSP) refers to the manipulation and analysis of signals, which are representations of physical...
CIE source
Standard light source representative of the quality of specified natural or artificial illumination.
quality area
The region of the cathode-ray tube phosphor screen restricted by the tube and instrument specification.
near-infrared spectroscopy
Near-infrared spectroscopy (NIRS) is a non-invasive analytical technique that uses the near-infrared region of 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...
isopreference curves
Graphic representation of quantified values of image quality whose points all refer to images that are of a constant...
volumetric imaging
Volumetric imaging refers to the capture, visualization, and analysis of three-dimensional (3D) information from a volume of...
orange peel
In the context of imaging, particularly digital imaging and printing, "orange peel" refers to a texture or visual distortion...
injection molding
A method of producing high-quality plastic optics in large volumes by injecting the heated, liquified plastic at high...
diffuser
An optical diffuser is an optical component or material designed to scatter or diffuse light that passes through it. It is...
optical analysis
The mathematical evaluation of an optical system to determine and quantify its basic optical properties and image quality...
diamond turning
Diamond turning, also known as diamond machining or diamond cutting, is a precision machining process used to produce...
transverse mode
In the context of optics and lasers, a transverse mode refers to a specific spatial pattern of the electric field within the...
electromagnetic lens
An electron lens consisting of a homogeneous axial electric field and a magnetic field used in high-quality image tubes for...
slicing and cutting machines - for crystals, quartz, glass, etc.
A crystal, glass, or quartz slicing and cutting machine is a specialized piece of equipment used in the manufacturing...
quantum efficiency
Quantum efficiency (QE) is a measure of the effectiveness with which a device or system, typically in the context of...
scientific complementary metal-oxide semiconductor
Scientific complementary metal-oxide semiconductor (sCMOS) refers to a type of image sensor technology specifically designed...
lens testing equipment
Lens testing equipment refers to a range of specialized tools and instruments used to evaluate the optical performance,...
intensified charge-coupled device camera
An intensified charge-coupled device (ICCD) camera is an advanced imaging device that combines the capabilities of both an...
Shack-Hartmann wavefront sensor
The Shack-Hartmann wavefront sensor is an optical device used for measuring the wavefront aberrations of an optical system....
integration time
Integration time, in the context of optics, imaging systems, and sensor technology, refers to the duration over which a...
automated optical inspection
Automated optical inspection (AOI) is a technology used in manufacturing processes, particularly in electronics, to...
3D laser line profile sensor
A 3D profile sensor, also known as a 3D profiling sensor or 3D depth sensor, is a technology that is used to capture and...
flowmeter
A flowmeter is a device used to measure the flow rate or quantity of a fluid passing through a particular point in a system....
quantum dot light-emitting diode
Quantum dot light-emitting diode (QLED) is a display technology that utilizes quantum dots, which are semiconductor...
aspheric lens
An aspheric lens is a type of lens whose surface profiles deviate from the traditional spherical shape. Unlike spherical...
auxiliary telescope
A low-power telescope placed at the eyepiece of an optical system to increase overall magnification. Most often used to...
microcomb
A microcomb, short for microresonator frequency comb, is a novel photonic device that generates a precise series of evenly...
minimum spot size
The smallest linear diameter to which a laser or other beam of radiant energy is capable of being focused, depending on the...
stylus indicator alignment
A method used in surface quality testing for accurate positioning and rotation of metal spheres about an axis or fixed point...
charge-coupled device
A charge-coupled device (CCD) is a type of electronic image sensor used in various imaging devices, including digital...
microbubble resonator
A microbubble resonator is a device used in photonics and optical physics for the precise manipulation of light waves. It...
magnetorheological finishing
Magnetorheological finishing (MRF) is a precision optics polishing technique used for shaping and finishing optical surfaces...
diffraction limited
The property of an optical system whereby only the effects of diffraction determine the quality of the image it produces.
xenon
A rare gas used in small high-pressure arc lamps to produce a high-intensity source of light closely resembling the color...
aplanatic points
Aplanatic points refer to specific points in an optical system where certain aberrations, such as spherical aberration or...
laser shock adhesion test
A nondestructive test, also referred to as LASAT, that uses a high-energy laser pulse that is targeted on an adhesively...
Rockwell hardness
Rockwell hardness (Rc) refers to a method for measuring the hardness of a material, primarily metals, using an indentation...
machine vision
Machine vision, also known as computer vision or computer sight, refers to the technology that enables machines, typically...
ion-beam sputtering
Ion-beam sputtering (IBS) is a physical vapor deposition (PVD) technique used for depositing thin films onto substrates. It...
alexandrite lasers
An alexandrite laser is a solid-state laser that utilizes a synthetic crystal made from the rare earth element alexandrite...
adaptive optics
Adaptive optics (AO) is a technology used to improve the performance of optical systems by reducing the effects of...
honeycomb table
An optical test table made up of two outer layers or "skins'' bonded to either side of a honeycomblike core, usually of...
thermography
Thermography is a technique that involves the use of an infrared imaging device, called a thermal camera or infrared camera,...
digital video compression
A step-by-step method of reducing the amount of data in a digital video signal to transmit or store a high-quality image....
polycarbonate
A tough, durable, heat- and cold-resistant optical quality plastic used in injection-molded items such as streetlight...
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...
crystal diamagnetism
The unusual and anisotropic diamagnetic quality observed in particular crystals such as those composed of bismuth.
apochromat
An apochromat, often referred to as an apochromatic lens or apochromatic objective, is a type of optical system designed to...
telescope lens
A telescope lens is a primary optical component of a telescope system that gathers and focuses light to form an image. It is...
probe card
A probe card is a testing device used in the semiconductor manufacturing industry to evaluate and test the electrical...
surface quality
The specification of allowable flaws in a surface by comparison to reference standards of quality. Two graded sets of...
q-switched operation
Q-switched operation, or q-switching, is a technique used in lasers to produce short and intense pulses of light. The term...
optical coherence tomography
Optical coherence tomography (OCT) is a non-invasive imaging technique used in medical and scientific fields to capture...
free-space optics
Free-space optics (FSO), also known as optical wireless communication or optical wireless networking, refers to the...
resonator
A resonator is a device or system that exhibits resonance, which is a phenomenon that occurs when an external force or...
process control
The collection and analysis of data relevant to monitoring the rate and quality of industrial production, either...
off-axis paraboloid and ellipsoid mirror
Off-axis paraboloid and ellipsoid mirrors are specialized optical components used in various optical systems, particularly...
phase distrortion
Phase distortion refers to a change in the phase relationships between different frequency components of a signal. In the...
optical channel monitor
An optical channel monitor (OCM) is a device used in optical communication systems to monitor and analyze the performance of...
optical resolution
A measure of image quality produced by an optical system. May be specified in terms of cycles per millimeter, referencing a...
fiber optic preform
A fiber optic preform is a cylindrical glass rod or tube used as the starting material for manufacturing optical fibers. It...
optical character recognition
Optical character recognition (OCR) is a technology that is used to convert printed or handwritten text into...
simple magnifier
A short focal length (less than five inches) positive lens used to produce a magnified image of the object being viewed....
photomask
A photomask, also known simply as a mask or reticle, is a key component in the photolithography process used in...
ellipticity
The quality of asymmetrical intensity distribution in a laser beam, as opposed to a circular distribution.
freeform optics
Freeform optics refers to the design and fabrication of optical surfaces that do not follow traditional symmetric shapes,...
standard thermal profile
In infrared imaging systems used for mass screening of printed circuit boards or other quality control applications, an...
wafer
In the context of electronics and semiconductor manufacturing, a wafer refers to a thin, flat disk or substrate made of a...
chip-on-board lights
Chip-on-board (COB) lights refer to a type of LED lighting technology where multiple LED chips are directly mounted onto a...
area scan
Area scan, in the context of imaging and cameras, refers to a method of capturing an entire two-dimensional image in a...
optical time-domain reflectometer
An optical time-domain reflectometer (OTDR) is a specialized instrument used in optical fiber communications to characterize...
sapphire crystal
Sapphire crystal refers to a transparent, single-crystal form of aluminum oxide (Al2O3) known as corundum. It is one of the...
profilometry
Measurement of surface roughness or quality through the use of a diamond-pointed stylus connected to a coil in an electric...
Fizeau fringes
Fizeau fringes are interference fringes observed in an interferometer, specifically in a Fizeau interferometer. The Fizeau...
diamond-turned optic
Diamond turning refers to a precision machining process used to produce complex optical components, particularly lenses and...
thermal lensing
Distortion of an optical component as a result of heat, which can influence the divergence and the mode quality of a beam...
point cloud
A point cloud is a set of data points in a three-dimensional coordinate system, where each point represents a specific...
optical noise
Optical noise refers to undesirable fluctuations or disturbances in an optical signal that can affect the quality or...
near-infrared spectrometer
A near-infrared (NIR) spectrometer is an analytical instrument used to measure the absorption, transmission, or reflection...
spherical aberration
Spherical aberration is an optical aberration that occurs when light rays passing through a lens or curved optical surface...
Raman fiber probe
A flexible fiber cable with a small diameter that transports light from the excitation laser to the target. Used in Raman...
intensity interferometer
An interferometer that functions by first detecting the light striking each aperture and then combining the two detector...
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...
cord
A threadlike inclusion within a blank of optical glass. Rarely found in quality optical materials.
GaN-based LEDs
Gallium nitride-based light-emitting diodes (GaN-based LEDs) are semiconductor devices that emit light when an electric...
machine vision lighting
Machine vision lighting refers to the use of specific lighting techniques and equipment in the field of machine vision,...
aerial camera
Camera designed for the imaging of the earth's surface in order to obtain high quality aerial images
polarization photometer
A photometer having a pair of Nicol prisms introduced into the beam from the brighter of two sources to be compared. Turning...
spectral repeatability
Spectral repeatability refers to the consistency and reproducibility of spectral measurements across multiple trials or...
thin-film deposition equipment
Thin-film deposition equipment refers to machinery and tools used in the process of depositing thin layers of material onto...
Digital Imaging and Communications in Medicine
Digital Imaging and Communications in Medicine (DICOM) is an international standard for medical imaging created by both the...
CCD image sensor
A CCD image sensor, or charge-coupled device image sensor, is a type of electronic device used to convert optical images...
oil-on plate
A polished plano-parallel plate that is contacted to an unpolished glass surface to permit see-through analysis of the...
voltage contrast analysis
A nondestructive testing method for very large scale integration circuits, using a scanning electron microscope to monitor...
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...
chromatic aberration
Chromatic aberration is an optical phenomenon that occurs when different wavelengths (colors) of light are refracted by a...
optical design software
Optical design software refers to specialized computer programs used by optical engineers, physicists, and designers to...
lateral shearing interferometer
A lateral shearing interferometer is an optical device used in interferometry to measure phase differences between two beams...
image quality
A measure of the closeness with which an optical image is capable of resembling the original object. The factors that affect...
interferometric modulator display
Interferometric modulator display (IMOD) is a type of display technology used in electronic devices, known for its energy...
scatterometry
A measurement technique used for the rapid quantitative evaluation of surface quality based on the detection and analysis of...

(204 results found)

Explore Our Content
News
Features
Latest Products
Webinars
White Papers
All Things Photonics Podcast
Videos
Our Summits & Conferences
Industry Events
Bookstore
Join Our Community
Subscribe
Advertise
Become a member
Sign in
Contribute a Feature
Suggest a Webinar
Submit a Press Release
Mobile Apps

About Us
Our Company
Our Publications
Contact Us
Career Opportunities
Teddi C. Laurin Scholarship

Terms & Conditions
Privacy Policy
California Consumer Privacy Act (CCPA)



©2024 Photonics Media
100 West St.
Pittsfield, MA, 01201 USA
[email protected]
We use cookies to improve user experience and analyze our website traffic as stated in our Privacy Policy. By using this website, you agree to the use of cookies unless you have disabled them.