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devices Dictionary Terms

photonic crystals
Photonic crystals are artificial structures or materials designed to manipulate and control the flow of light in a manner analogous to how semiconductors control the flow of electrons. Photonic crystals are often engineered to have periodic...
terahertz
Terahertz (THz) refers to a unit of frequency in the electromagnetic spectrum, denoting waves with frequencies between 0.1...
infrared light-emitting diode
An infrared light-emitting diode (IR LED) is a semiconductor device that emits infrared light when an electric current...
III-V material
In semiconductor physics and materials science, the term "III-V materials" refers to compounds composed of elements from...
digital camera
A digital camera is a device that captures and records still images or video in digital format. Unlike traditional film...
magnetometer
A magnetometer is a scientific instrument used to measure the strength and/or direction of a magnetic field. It can detect...
birefringence
Birefringence is an optical property of certain materials that causes them to exhibit different refractive indices for light...
detector-Dewar assembly
A detector-Dewar assembly typically refers to a combination of a detector and a Dewar flask used in scientific instruments,...
Casimir force
The Casimir force is a quantum phenomenon that results in an attractive force between two closely spaced uncharged...
digital twin
A digital twin refers to a virtual representation or digital counterpart of a physical object, system, or process. This...
microfluidics
Microfluidics is a multidisciplinary field that involves the manipulation and control of very small fluid volumes, typically...
shutter speed tester
A device used to measure the opening time of a shutter. The most common devices depend on the charging or discharging of an...
Faraday rotation
The effect discovered by Faraday in 1845 whereby nonoptically active materials or substances become capable of rotating the...
attosecond photonics sources
Attosecond photonics sources refer to devices or systems that generate extremely short pulses of light on the order of...
laser annealing
Laser annealing is a process that involves using a laser beam to heat and modify the microstructure of a material, typically...
two-photon polymerization
Two-photon polymerization (TPP) is a technique used in additive manufacturing, specifically in the field of 3D printing. It...
charge-injection device
A charge-injection device (CID) refers to a class of devices that manipulate and detect electrical charge within a...
biocular
A term pertaining to devices (generally optical) designed for use with both eyes viewing through a single exit pupil. The...
quantum well
A quantum well is a structure in quantum mechanics that confines particles, such as electrons or holes, in one spatial...
optical interconnection
The use of photonic devices rather than electronic devices to make connections within and between integrated circuits.
indexing table
Generally, a rotatable table with scales marked in degrees. The fiducial marking also may be a vernier scale. The same...
micro-optics
Micro-optics refers to the design, fabrication, and application of optical components and systems at a microscale level....
directed energy
Directed energy refers to a type of energy that is emitted and transferred in a controlled direction. The term is often...
particle acceleration
Particle acceleration refers to the process by which charged particles, such as electrons or protons, gain kinetic energy...
CMOS camera
A CMOS camera refers to an imaging device that employs a complementary metal-oxide-semiconductor (CMOS) image sensor to...
integrated optical circuit
An optical circuit, either monolithic or hybrid, composed of active and passive components, used for coupling between...
optical design software
Optical design software refers to specialized computer programs used by optical engineers, physicists, and designers to...
light dispersion
The process whereby white light is separated into its component wavelengths. Light beams of different wavelengths are...
infrared light source
An infrared light source is a device that emits light in the infrared spectrum, which lies beyond the visible spectrum of...
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...
spectroradiometer
A spectroradiometer is a device used to measure the intensity of light at different wavelengths across the electromagnetic...
lithography
Lithography is a key process used in microfabrication and semiconductor manufacturing to create intricate patterns on the...
photodetector
A photodetector, also known as a photosensor or photodiode, is a device that detects and converts light into an electrical...
optical Fourier transform
The optical Fourier transform is a mathematical operation applied to optical signals that involves transforming a spatial...
terminated crossbar
An optical matrix that does not require perfection in both states of the crosspoint, so that all the optical switches can be...
plasmonics
Plasmonics is a field of science and technology that focuses on the interaction between electromagnetic radiation and free...
oleophobic
Oleophobic is a term used to describe substances or materials that repel or resist oils. The word oleophobic comes from the...
silicon carbide light-emitting diodes
Silicon carbide (SiC) light-emitting diodes (LEDs) are semiconductor devices that emit light when an electric current is...
grating beamsplitter
A grating beamsplitter is an optical device that utilizes the principles of diffraction to split a beam of light into...
optics
Optics is the branch of physics that studies the behavior and properties of light, including its interactions with matter...
etalon
An etalon is an optical device that consists of two parallel reflecting surfaces separated by a precise and known distance....
cylindrical lens
A cylindrical lens is an optical component that has different curvatures along its two orthogonal axes, resulting in a shape...
microcomb
A microcomb, short for microresonator frequency comb, is a novel photonic device that generates a precise series of evenly...
optical coatings
Optical coatings are thin layers of materials applied to optical components, such as lenses, mirrors, filters, and prisms,...
nanotechnology
The use of atoms, molecules and molecular-scale structures to enhance existing technology and develop new materials and...
injection luminescent diode
A semiconductor diode operating in either a coherent or incoherent mode that is used as a near-infrared or visible source in...
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...
laser texturing
Laser texturing is a manufacturing process that involves using a laser beam to selectively modify the surface of a material,...
light modulator
A device that is designed to modulate a beam of light, usually from a laser source, by acting upon the beam directly. The...
multiphase pinned operation
A method of reducing dark current in charge-coupled devices by holding all the clocks at negative voltage during the...
micro-LED
Micro-LED (micro-light-emitting diode) refers to a technology that involves the use of very small light-emitting diodes to...
electromagnon
An electromagnon is a quasiparticle excitation that combines aspects of both magnetism and electric polarization in a...
medical lasers
Medical lasers are devices that produce intense beams of light with specific characteristics and properties, which are used...
gradient-index profile
The term gradient-index profile refers to a specific type of refractive index distribution within an optical material. In...
holographic camera
A holographic camera, also known as a holographic imaging system or holographic recorder, is a specialized device used to...
linear receive optics
Linear receive optics typically refers to the optical components and systems used in the reception (detection) of linearly...
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...
nanotube
A nanotube, also known as a nanotubule or simply a tube-like structure, is a nanoscale cylindrical structure composed of...
thin-film coating
Thin-film coatings are layers of material applied to the surface of an object or substrate, typically to modify its optical,...
fiber optic transceiver
A fiber optic transceiver, often simply referred to as an "optical transceiver," is a device used in fiber optic...
epitaxial deposition
Epitaxial deposition is a process used in semiconductor manufacturing and materials science to grow a thin crystalline...
near-infrared spectrometer
A near-infrared (NIR) spectrometer is an analytical instrument used to measure the absorption, transmission, or reflection...
computer-generated hologram
A computer-generated hologram (CGH) is a holographic image produced using computational methods and algorithms, rather than...
piezoelectric motion systems
Piezoelectric motion systems are mechanical systems that utilize piezoelectric materials to generate controlled motion or...
epitaxial
Epitaxial refers to the growth of a crystalline layer on a crystalline substrate in such a way that the orientation of the...
internet of things
The internet of things (IoT) refers to a network of interconnected physical devices, vehicles, appliances, and other objects...
chalcogenide
Chalcogenide refers to a class of compounds containing elements from group 16 of the periodic table, which includes sulfur...
smart pixel array
An array of active optical devices (modulators, laser diodes and/or detectors), each of whose electrical inputs or outputs...
prism coupler
An instrument that measures the angle at which a prism can couple laser light into an optical waveguide; used to determine...
germanium crystal
Germanium crystal refers to a crystalline form of the element germanium (Ge), which is a metalloid and semiconductor...
carrier injection
Carrier injection refers to the process of introducing charge carriers (either electrons or holes) into a semiconductor...
CoaXPress
CoaXPress (CoaXPress or CXP) is a standardized digital interface and communication protocol used primarily in machine vision...
liquid crystal
Liquid crystals are a state of matter that exhibits properties intermediate between those of conventional liquids and solid...
laser drift
Laser drift typically refers to a phenomenon where the frequency or wavelength of a laser source gradually changes over...
complementary metal-oxide semiconductor
Complementary metal-oxide-semiconductor (CMOS) refers to a technology used in the fabrication of integrated circuits,...
blue diode laser
A blue diode laser is a type of semiconductor laser that emits light in the blue wavelength range of the electromagnetic...
optoelectronics
Optoelectronics is a branch of electronics that focuses on the study and application of devices and systems that use light...
waveguide
A waveguide is a physical structure or device that is designed to confine and guide electromagnetic waves, such as radio...
photovoltaic
Photovoltaic (PV) refers to a technology that converts sunlight directly into electricity using semiconductors. The term...
quantum confinement
Quantum confinement refers to the phenomenon in quantum mechanics where the motion of charge carriers, such as electrons or...
piezoresistance
Piezoresistance is a phenomenon in materials science and physics where the electrical resistance of a material changes in...
optical testing instrument
An optical testing instrument is a device or system used to evaluate and measure the performance, quality, and...
reticle
A reticle, also known as a reticule or graticule, is a pattern or set of markings placed in the focal plane of an optical...
micro ion milling
Process developed for the production of high-resolution patterns in electro- and magneto-optics. These high-generation...
antireflection coating
An antireflection coating (AR coating) is a thin film or coating applied to optical surfaces, such as lenses or windows, to...
cathode radiant sensitivity
Cathode radiant sensitivity refers to the ability of a photocathode to convert incident radiant energy, typically in the...
linear array
A solid-state video detector consisting of a single row of light-sensitive semiconductor devices, used in linear-array...
motion controller
In optics, a motion controller refers to a device or system that precisely controls the movement of optical components, such...
optical materials
Optical materials refer to substances or compounds specifically chosen for their optical properties and used in the...
impurity level
In the context of optical materials, the term "impurity level" refers to the presence of foreign atoms or molecules within...
integrated photonics
Integrated photonics is a field of study and technology that involves the integration of optical components, such as lasers,...
optical fiber optic switches
Optical fiber optic switches are devices used in optical fiber communication systems to selectively route optical signals...
laser diode module
A laser diode module is a compact device that incorporates a laser diode, optics, and often other components into a single...
fiber optic gyroscope
A fiber optic gyroscope (FOG) is a type of gyroscope that uses the interference of light waves to detect changes in...
cleaning equipment
In optics, degreasers or ultrasonic arrangements used for removing pitch, cement or polishing material from lenses during...
electrophoretic display
An electrophoretic display, often referred to as an electronic paper display or e-paper display, is a type of electronic...
photomask
A photomask, also known simply as a mask or reticle, is a key component in the photolithography process used in...
computer-generated holographic scanner
A phase reflection scanner that eliminates the need for a complex translation device while maintaining a high-energy-density...
CMOS image sensor
A CMOS image sensor, short for complementary metal-oxide-semiconductor image sensor, is a type of semiconductor device used...
single-walled carbon nanotubes
Referred to as SWCNTs, these cylindrical nanostructures composed of a folded sheet of graphene can be used as near-infrared...
Camera Link HS
Camera Link HS (high speed) is a standard developed for high-speed digital data transmission in machine vision and...
silicon photodiode
A silicon photodiode is a semiconductor device that converts light into an electrical current. It is a type of photodetector...
retroreflector
A retroreflector is an optical device or structure that reflects incident light or electromagnetic waves back to their...
lab-on-a-chip
A lab-on-a-chip (LOC) is a miniaturized device that integrates various laboratory functions and capabilities onto a single,...
beam table
Laser light show effects equipment including optics and mechanical devices that reflect, position or distort the laser beam,...
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...
laser optics
Laser optics refers to a broad category of optical components and systems designed for manipulating and controlling laser...
Fresnel lens
A Fresnel lens is a type of optical lens that consists of a series of concentric grooves or steps carved into a flat, thin...
quantum efficiency
Quantum efficiency (QE) is a measure of the effectiveness with which a device or system, typically in the context of...
optical barcode reader
An optical barcode reader, commonly known as a barcode scanner, is a device that uses optical technology to capture and...
second-order nonlinear optical properties
Second-order nonlinear optical properties refer to a class of phenomena exhibited by certain materials in response to...
blaze height
Blaze height typically refers to a parameter in the context of diffraction gratings, which are optical devices consisting of...
nanoimprint lithography
Nanoimprint lithography (NIL) is a nanolithography technique used for fabricating nanoscale patterns on a substrate. It is a...
retroreflection
Retroreflection is a phenomenon in optics where light is reflected back toward its source, typically in a direction nearly...
embedded laser
The term "embedded laser" typically refers to a laser device that is integrated or embedded into a larger system or...
MSM photodiode
A metal-semiconductor-metal (MSM) photodiode is a type of photodetector that consists of metal electrodes on a semiconductor...
barium titanate
A crystalline material used in piezoelectric devices.
octave
In optics, an octave typically refers to a range of frequencies or wavelengths that spans a factor of 2. In other words,...
PIN photodiode
A PIN photodiode is a type of photodetector or semiconductor device used to convert light signals into electrical signals....
microlens array
A microlens array is a grid-like structure composed of numerous small lenses, typically arranged in a regular pattern. Each...
transducer
A transducer is a device or component that converts one form of energy into another. It is commonly used in various fields,...
detector array
A detector array refers to a collection of individual detector elements arranged in a two-dimensional grid or matrix format....
absolute colorimetric
Method of preserving the measured color value and color information as it is translated from differing devices. For example...
image intensifier
An image intensifier, also known as an image intensification tube or image intensification device, is a specialized...
pushbroom scanning
Pushbroom scanning is a technique used in remote sensing and imaging systems, particularly in satellite and aerial sensors,...
lens
A lens is a transparent optical device that focuses or diverges light, allowing it to pass through and form an image. Lenses...
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...
optical filter
An optical filter is a device that selectively transmits or blocks specific wavelengths, or colors, of light. Optical...
diamond-turned optic
Diamond turning refers to a precision machining process used to produce complex optical components, particularly lenses and...
nitrogen vacancy
A nitrogen vacancy (NV) refers to a specific type of defect or impurity in a crystal lattice where a nitrogen atom replaces...
metrology
Metrology is the science and practice of measurement. It encompasses the theoretical and practical aspects of measurement,...
nanophotonics
Nanophotonics is a branch of science and technology that explores the behavior of light on the nanometer scale, typically at...
gallium nitride
Gallium nitride (GaN) is a compound made up of gallium (Ga) and nitrogen (N). It is a wide-bandgap semiconductor material...
bandgap
In semiconductor physics, the term bandgap refers to the energy range in a material where no electronic states are allowed....
white balance
A feature of some imaging devices, such as digital cameras, that allows them to compensate for different lighting conditions...
plastic optics
Plastic optics refers to optical components or systems that are made from transparent plastic materials, as opposed to...
GaN-based LEDs
Gallium nitride-based light-emitting diodes (GaN-based LEDs) are semiconductor devices that emit light when an electric...
electron-beam lithography system
An electron-beam lithography (EBL) system is a sophisticated nanofabrication tool used in the semiconductor industry and...
flat panel display
An electronic display in which a flat screen is formed by an orthogonal array of display devices, such as electroluminescent...
laser detector
Device that operates by interaction of incident radiation with semiconductor based material in order to produce an...
white noise
The random noise having a spectral density that is substantially independent of the frequency over a specified frequency...
polygonal mirror
A polygonal mirror, also known as a multifaceted mirror or facet mirror, is a type of optical component used in various...
rare earth dopants
Rare earth dopants refer to elements from the lanthanide series, also known as rare earth elements, that are intentionally...
drive
The hardware for reading (and writing in devices so equipped) an optical mass data storage disk.
GaAlAs laser
A GaAlAs laser is a type of semiconductor laser diode that emits light in the near-infrared region of the electromagnetic...
night-vision device
A device that uses low-level visible radiation or infrared radiation to produce a visual image of a night scene. These...
fiber-coupled LED
A fiber-coupled LED (light-emitting diode) refers to an LED device that is optically coupled to an optical fiber for the...
gallium arsenide phosphide
Gallium arsenide phosphide (GaAsP) is a semiconductor alloy composed of gallium (Ga), arsenic (As), and phosphorus (P). It...
neuromorphic
Neuromorphic refers to the design and development of computing systems or devices that are inspired by the structure and...
Ruticon
A ruticon is an opto-electronic device in which light going through it can be modulated by an electric field. The...
sapphire
Sapphire refers to a crystalline form of aluminum oxide (Al2O3) that is used in various optical and photonic applications...
interferometric modulator display
Interferometric modulator display (IMOD) is a type of display technology used in electronic devices, known for its energy...
phase matching
Phase matching is a crucial concept in the field of optics, particularly in nonlinear optics and the generation of coherent...
Kerr effect
The Kerr effect, named after the physicist John Kerr who first observed it in 1875, is a nonlinear optical phenomenon where...
periscope
An optical instrument designed to displace the line of sight in a vertical direction. For submarines and other military uses...
die bonding
Die bonding is a critical process in semiconductor manufacturing and microelectronics assembly, where a semiconductor die or...
whispering gallery mode
Whispering gallery mode (WGM) refers to a phenomenon in wave physics, particularly in optics, where waves, such as light or...
optical gate
An optical gate typically refers to a device or system that controls the transmission of light, allowing it to pass through...
infrared
Infrared (IR) refers to the region of the electromagnetic spectrum with wavelengths longer than those of visible light, but...
pixel pitch
Pixel pitch refers to the distance between the centers of two adjacent pixels on a display screen or imaging sensor. It is...
anisotropic
Anisotropic is a term used to describe a material or substance that exhibits different properties or behaviors in different...
polariton
A polariton is a quasiparticle resulting from the strong coupling between photons (light particles) and certain types of...
network interface card
A network interface card (NIC), also known as a network adapter or LAN adapter, is a hardware component that allows...
accelerometer
An accelerometer is a sensor or transducer that measures the rate of change of velocity of an object, or in simpler terms,...
custom optic
A custom optic refers to an optical component that is designed, manufactured, and tailored to meet specific requirements or...
spherical microintegrated lens
A tiny lens (as small as 100 µm in diameter) used to focus light on charge-coupled devices, formed by heating a...
optical glass
Optical glass refers to a type of glass specifically engineered and manufactured for use in optical components and systems,...
optical switching
Optical switching refers to the process of controlling the routing or transmission of optical signals within a network using...
quantum-ehanced metrology
Quantum-enhanced metrology refers to the use of quantum mechanics principles and techniques to enhance the precision and...
flexible display
A flexible display refers to a type of electronic visual display that is designed to be bendable, foldable, or rollable,...
optical coherence tomography imaging system
Optical coherence tomography (OCT) is an imaging technique used in medical diagnostics and biomedical research to obtain...
indium phosphide
Indium phosphide (InP) is a compound semiconductor material composed of indium (In) and phosphorus (P). It belongs to the...
laser marking
Laser marking is a process in which a laser beam is used to mark or engrave a surface by altering its properties or...
pixel
A pixel, short for "picture element," is the smallest controllable element of a digital image or display. It is a...
masks for evaporation/deposition
In the context of thin film deposition processes such as evaporation or sputtering, masks are used to selectively deposit...
metal vapor laser
Devices in which the lasing medium is a vapor of metal atoms or ions, sometimes mixed with another gas. Metal vapor lasers...
image-enhancing equipment
Complex devices, often involving a computer, in which a photograph is scanned by a point of light, the amplitude of the...
photon jet
A photon jet is a narrow, highly collimated beam of light that is formed when light interacts with small dielectric...
photolithography
Photolithography is a key process in the manufacturing of semiconductor devices, integrated circuits, and...
magneto-optics
Magneto-optics refers to the study and manipulation of the interaction between magnetic fields and light (electromagnetic...
electro-optics
1. The branch of physics that deals with the use of electrical energy to create or manipulate light waves, generally by...
metamaterial
Metamaterials are artificial materials engineered to have properties not found in naturally occurring substances. These...
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...
machine vision
Machine vision, also known as computer vision or computer sight, refers to the technology that enables machines, typically...
thyristor
A family of semiconductor switching devices of which the silicon-controlled rectifier and the triac are most commonly used....
sapphire optical fiber
Sapphire optical fiber is a type of optical fiber made from single-crystal sapphire, which is a form of aluminum oxide...
telepresence
The use of head-mounted displays and body-operated remote actuators to control distant machinery. Provides a virtual...
input/output
I/O stands for input/output. In computing, it refers to the communication between a computer system or program and its...
photonic cavity
A photonic cavity, also known as an optical cavity, is a structure that confines electromagnetic radiation within a certain...
optical clock
An optical clock is a highly precise and advanced timekeeping device that relies on the oscillations of electromagnetic...
optical cements and adhesive
Optical cements and adhesives are specialized materials used in the assembly and bonding of optical components in optical...
breakout cable
A breakout cable, also known as a fan-out cable or breakout assembly, is a type of cable that combines multiple individual...
sapphire window
A sapphire window refers to a transparent optical component made from sapphire crystal. Sapphire is a single-crystal form of...
radiation detector
Any of the many devices used to detect the presence of radiation from a specific region of the electromagnetic spectrum.
graphene
Graphene is a two-dimensional allotrope of carbon consisting of a single layer of carbon atoms arranged in a hexagonal...
galvanometric scanner
A galvanometric scanner, also known as a galvanometer scanner or galvo scanner, is a type of optical scanning device used to...
short wavelength infrared
Short wavelength infrared (SWIR) refers to the portion of the infrared spectrum that encompasses wavelengths roughly between...
photomultiplier tube
A photomultiplier tube (PMT) is a highly sensitive vacuum tube that detects and amplifies low levels of light. It is widely...
extreme ultraviolet
Extreme ultraviolet (EUV) refers to a specific range of electromagnetic radiation in the ultraviolet part of the spectrum....
diode laser
A diode laser is a type of laser that uses a semiconductor diode as the active medium to generate coherent light....
cinesextant
An optical instrument used to track and image a test vehicle (target) throughout its flight. The cinesextant frequently...
hydrogel
A hydrogel is a three-dimensional network of polymer chains that are hydrophilic, meaning they have a strong affinity for...
etaloning
Etaloning is an optical phenomenon that occurs in imaging systems, particularly in devices such as spectrometers,...
epitaxy
A well controlled thin films technique for growing films with good crystal structure in ultra high vacuum environments at...
nanopositioning
Nanopositioning refers to the precise and controlled movement or manipulation of objects or components at the nanometer...
optoelectronic shutter
A device used to control or block a light beam by means of the Kerr electro-optical effect, and other electro-optic devices...
semiconductor
A semiconductor is a type of material that has electrical conductivity between that of a conductor and an insulator. In...
sapphire crystal
Sapphire crystal refers to a transparent, single-crystal form of aluminum oxide (Al2O3) known as corundum. It is one of the...
optical communications
The transmission and reception of information by optical devices and sensors.
plasmon ion-assisted deposition
Plasmon ion-assisted deposition (PIAD) is a technique used in thin-film deposition processes, particularly in the production...
multispectral imaging
Multispectral imaging is a technique that involves capturing and analyzing images at multiple discrete spectral bands within...
metalens
A metalens, short for "metasurface lens," is a type of optical lens that uses nanostructured materials to manipulate light...
liquid crystal light valve
A liquid crystal light valve (LCLV), also known as a spatial light modulator (SLM), is an optical device that modulates the...
Pockels
In optics, the Pockels effect refers to the phenomenon where the refractive index of a material changes in response to an...
fixed focus
Describes devices that are not provided with a means of focusing.
optofluidics
Optofluidics is an interdisciplinary field that combines principles from optics and fluidics to create devices and systems...
GRIN lens
A GRIN (gradient index) lens is a type of optical lens that utilizes a gradient in refractive index across its volume rather...
calorimetry
Calorimetry is a branch of science that involves the measurement of heat flow in physical or chemical processes. It...
freeform optics
Freeform optics refers to the design and fabrication of optical surfaces that do not follow traditional symmetric shapes,...
linear optics
Linear optics refers to the study and manipulation of light in a linear and deterministic manner, where the response of...
electroluminescent display
The utilization of the light produced when electrical energy is directly converted into light within devices used for visual...
germicidal UV
Germicidal ultraviolet (GUV) refers to a specific range of UV radiation that has disinfectant properties capable of killing...
Manufacturing Automation Protocol
A computerized token-passing local area network (LAN) configuration adopted by General Motors for real time control over the...
freeform mirrors
Freeform mirrors refer to reflective optical components that deviate from traditional symmetric or rotationally symmetric...
photoresist
Photoresist is a light-sensitive material used in photolithography processes, particularly in the fabrication of...
multichannel spectral analyzer
A spectrometric instrument that detects radiation simultaneously in multiple channels, sorts it spectrally from the deep...
collimator
An optical instrument consisting of a well- corrected objective lens or mirror with a light source and or object/image (i.e....
fluorescent screen
A fluorescent screen refers to a phosphorescent or fluorescent-coated surface that emits visible light when exposed to other...
metasurfaces
Metasurfaces are two-dimensional arrays of subwavelength-scale artificial structures, often referred to as meta-atoms or...
scintillation crystal
A scintillation crystal, also known simply as a scintillator, is a material that emits light when it interacts with ionizing...
microdisplay
A microdisplay is a miniature electronic display technology that is designed to project visual information onto a small...
virtual reality
Virtual reality (VR) is a computer-generated simulation of a three-dimensional environment or experience that can be...
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...
machine vision system
A machine vision system is an integrated combination of hardware and software components designed to capture, process, and...
residual absorption and scattering
Loss mechanisms that degrade the performance of all thin-film optical devices by removing radiant flux out of the specular...
Fresnel reflection
Fresnel reflection refers to the reflection of light at the interface between two different media with different refractive...
meta-optics
Meta-optics, also known as metasurface optics or flat optics, is a branch of optics that involves the design, fabrication,...
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...
fiber optic cable assembly
A fiber optic cable assembly refers to a complete unit consisting of optical fibers, connectors, protective jackets, and...
ferroelectric materials
Ferroelectric materials are a type of dielectric materials that exhibit spontaneous electric polarization, meaning they...
magnon
A magnon is a quasiparticle representing a quantized spin wave in a magnetic material. In other words, it is a collective...
quantum dot light-emitting diode
Quantum dot light-emitting diode (QLED) is a display technology that utilizes quantum dots, which are semiconductor...
micro-ring resonator
A micro-ring resonator is a compact optical device that utilizes the resonant behavior of light within a small ring-shaped...
topological photonics
Topological photonics is a branch of physics and optics that explores the application of topological concepts to the...
Ultraviolet-C
Ultraviolet-C (UV-C) refers to a specific range of ultraviolet radiation with shorter wavelengths than those of visible...
substrate
A substrate refers to a material or surface upon which another material or process is applied or deposited. In various...
video graphics array
A display standard no longer in use and originally defined for IBM PCs, with 640 3 480 pixels in 16 colors and a 4:3 aspect...
molecular motor
A molecular motor refers to a nano-sized device composed of organic molecules or other small-scale components that can...
wafer
In the context of electronics and semiconductor manufacturing, a wafer refers to a thin, flat disk or substrate made of a...
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...
optical fiber
Optical fiber is a thin, flexible, transparent strand or filament made of glass or plastic used for transmitting light...
image enhancement laser
A semiconductor platelet laser that emits a coherent image by means of plane optical pumping over the platelet surface, and...
area scan
Area scan, in the context of imaging and cameras, refers to a method of capturing an entire two-dimensional image in a...
laser
A laser, which stands for "light amplification by stimulated emission of radiation," is a device that produces coherent and...
dewetting
Dewetting is a phenomenon in materials science and physics where a thin film or coating spontaneously undergoes a process of...
constant deviation
That property of certain optical devices, e.g., a penta prism, that maintains the angular relationship between the entering...
optical assembly
An optical assembly refers to a collection of optical components that are carefully arranged and aligned to perform a...
photonic integrated circuit
A photonic integrated circuit (PIC) is a compact and integrated device that incorporates multiple photonic components and...
optical design and engineering services
Optical design and engineering services involve the development, customization, and optimization of optical systems and...
photonics contract manufacturing
Photonics contract manufacturing refers to the outsourcing of the production of photonics-related components, devices, or...
GigE
GigE, short for gigabit Ethernet, refers to a standard for high-speed Ethernet communication, capable of transmitting data...
endoscope
An endoscope is a medical device used for visualizing and examining the interior of hollow organs, body cavities, or...
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...
integration time
Integration time, in the context of optics, imaging systems, and sensor technology, refers to the duration over which a...
image enhancing equipment
Complex devices, often involving a computer, in which a photograph is scanned by a point of light, the amplitude of the...
doping
In the context of materials science and semiconductor physics, doping refers to the intentional introduction of impurities...
active-matrix OLED display
An OLED display that has an integrated electronic backplane as its substrate. Active-matrix OLED displays use at least two...
nanoLED
An LED (light-emitting diode) is a semiconductor device that emits light when an electric current passes through it. LEDs...
spectral centroid
Average wavelength usually determined for light-transmitting devices by taking a weighted average for each wavelength of the...
solar simulator
A solar simulator is a device used to replicate the spectrum and intensity of sunlight in a controlled environment for...
whole slide imaging
Whole slide imaging (WSI), also known as virtual slide microscopy or digital pathology, is a technology that involves the...
cement
An adhesive used for bonding optical elements or for holding devices.
photoelectric counter
A device used to count objects that pass a given point by allowing each object to obstruct a beam of light falling on a...
GaN distributed feedback lasers
GaN (gallium nitride) distributed feedback (DFB) lasers refer to a specific type of semiconductor laser based on Gallium...
charge-coupled device
A charge-coupled device (CCD) is a type of electronic image sensor used in various imaging devices, including digital...
storage area network
A high-speed network or subnetwork that provides a connection between servers and data storage devices.
fiber-coupled photoconductive antenna
A fiber-coupled photoconductive antenna (FCPA) is a type of optoelectronic device that combines a photoconductive antenna...
embedded vision
Embedded vision refers to the integration of computer vision technologies into various embedded systems, devices, or...
aspheric lens
An aspheric lens is a type of lens whose surface profiles deviate from the traditional spherical shape. Unlike spherical...
optical manufacturing tools and machinery
Optical manufacturing tools and machinery encompass a wide range of equipment, instruments, and systems used in the...
colorimeter
A colorimeter is a device used to measure and quantify the color characteristics of an object or a light source. It provides...
thermal interface materials
Thermal interface materials (TIMs) are substances or compounds used to enhance the thermal conductivity between two surfaces...
multijunction device
A photovoltaic device that consists of multiple p-n junctions to produce a greater efficiency when in use than that of...
noise
The unwanted and unpredictable fluctuations that distort a received signal and hence tend to obscure the desired message....
videography
Videography refers to the process of capturing moving images and recording them in a digital format. It involves the use of...
molded lens
A molded lens is an optical lens manufactured using a molding process, typically involving the shaping of a material, such...
epitaxial equipment
Epitaxial equipment refers to a set of specialized tools and systems used in the process of epitaxy, which is the growth of...
ultrasonic
Ultrasonic refers to sound waves with frequencies higher than the upper audible limit of human hearing, typically above...
microchannel plate
A microchannel plate (MCP) is a specialized electron multiplier device used in various applications such as particle...
bubble chamber
A large tank filled with liquid hydrogen, with a flat window at one end and complex optical devices for observing and...
exciton
An exciton is a quasiparticle that represents the bound state of an electron and a hole in a solid-state material, typically...
augmented reality
Augmented reality (AR) is a technology that integrates digital information, typically in the form of computer-generated...
photovoltaic cell
A photovoltaic cell, commonly known as a solar cell, is a semiconductor device that directly converts light energy into...
power supply
Refers to the voltage and current necessary for the operation of circuit devices.
piezoelectric transducers and ceramic materials
Piezoelectric transducers are devices that utilize the piezoelectric effect to convert electrical energy into mechanical...
infrared lens
An infrared lens is an optical component specifically designed and optimized for transmitting, focusing, or manipulating...
diffraction efficiency
Diffraction efficiency is a measure of how effectively a diffractive optical element (DOE) or diffraction grating directs...
electron multiplication charge-coupled device camera
An EMCCD (electron-multiplying charge-coupled device) camera is a type of scientific camera specifically designed for...
multi-axis alignment
Multi-axis alignment refers to the process of aligning or adjusting components or systems in multiple spatial dimensions or...

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