The Shack-Hartmann wavefront sensor is an optical device used for measuring the wavefront aberrations of an optical system. It is widely used in adaptive optics systems to correct distortions and improve the quality of optical images in real-time....

An optical diffuser is an optical component or material designed to scatter or diffuse light that passes through it. It is...

Also called shining. Grinding and polishing one surface of a blank to permit a more thorough examination for quality.

Ellipsometry is an optical technique used to characterize the properties of thin films and surfaces. It is based on the...

Optical coherence tomography (OCT) is a non-invasive imaging technique used in medical and scientific fields to capture...

Scientific complementary metal-oxide semiconductor (sCMOS) refers to a type of image sensor technology specifically designed...

Spherical aberration is an optical aberration that occurs when light rays passing through a lens or curved optical surface...

A confocal resonator, also known as a confocal cavity or confocal laser resonator, is a type of optical resonator...

Chip-on-board (COB) lights refer to a type of LED lighting technology where multiple LED chips are directly mounted onto a...

Graphic representation of quantified values of image quality whose points all refer to images that are of a constant...

Diamond turning refers to a precision machining process used to produce complex optical components, particularly lenses and...

An optical combiner, in the context of optics and display technologies, refers to a device or component that combines...

A machine vision system is an integrated combination of hardware and software components designed to capture, process, and...

An InGaAs (indium gallium arsenide) camera is a type of imaging device that utilizes InGaAs sensors to capture images in the...

Quality or state of being luminous.

Intensity distribution in the image of an edge. The gradient of the edge-response curve is a measure of the image quality of...

A method of producing high-quality plastic optics in large volumes by injecting the heated, liquified plastic at high...

A near-infrared (NIR) camera is an imaging device designed to capture images in the near-infrared region of the...

Distortion of an optical component as a result of heat, which can influence the divergence and the mode quality of a beam...

The mathematical evaluation of an optical system to determine and quantify its basic optical properties and image quality...

A line-scan camera, also known as a line-scan image sensor or linear array camera, is a type of digital camera designed to...

An intensified charge-coupled device (ICCD) camera is an advanced imaging device that combines the capabilities of both an...

Modified chemical vapor deposition (MCVD) is a technique used in the fabrication of optical fibers. It is a specialized form...

Lens testing equipment refers to a range of specialized tools and instruments used to evaluate the optical performance,...

Epitaxial equipment refers to a set of specialized tools and systems used in the process of epitaxy, which is the growth of...

Also known as the Wiener spectrum or the noise power spectrum, the optical power spectrum is a fundamental quantity in...

A point cloud is a set of data points in a three-dimensional coordinate system, where each point represents a specific...

A lateral shearing interferometer is an optical device used in interferometry to measure phase differences between two beams...

Optical coatings are thin layers of materials applied to optical components, such as lenses, mirrors, filters, and prisms,...

The holographic recording of a microscopic specimen whereby magnification is achieved by alteration in a wavelength or...

A telescope lens is a primary optical component of a telescope system that gathers and focuses light to form an image. It is...

The smallest linear diameter to which a laser or other beam of radiant energy is capable of being focused, depending on the...

A CMOS camera refers to an imaging device that employs a complementary metal-oxide-semiconductor (CMOS) image sensor to...

Optical design software refers to specialized computer programs used by optical engineers, physicists, and designers to...

Gallium arsenide phosphide (GaAsP) is a semiconductor alloy composed of gallium (Ga), arsenic (As), and phosphorus (P). It...

A 3D profile sensor, also known as a 3D profiling sensor or 3D depth sensor, is a technology that is used to capture and...

Turbidity is a measure of the cloudiness or haziness of a fluid caused by the presence of suspended particles. These...

A group of single emitter laser diodes, usually arranged vertically or horizontally with respect to each other. The power...

The point spread function (PSF) is a fundamental concept in imaging that describes the response of an imaging system to a...

The full width at half maximum (FWHM) is a measure used in various fields, particularly in spectroscopy, signal processing,...

A charge-coupled device (CCD) is a type of electronic image sensor used in various imaging devices, including digital...

Optical glass refers to a type of glass specifically engineered and manufactured for use in optical components and systems,...

Exhibiting the quality of dichroism.

Polarization refers to the orientation of oscillations in a transverse wave, such as light waves, radio waves, or other...

A large-scale, precise drawing of the contours of a perfect mechanical part, often with plus and minus tolerances drawn or...

Sapphire crystal refers to a transparent, single-crystal form of aluminum oxide (Al2O3) known as corundum. It is one of the...

An optical filter is a device that selectively transmits or blocks specific wavelengths, or colors, of light. Optical...

Optical character recognition (OCR) is a technology that is used to convert printed or handwritten text into...

An optical assembly refers to a collection of optical components that are carefully arranged and aligned to perform a...

The specification of allowable flaws in a surface by comparison to reference standards of quality. Two graded sets of...

The Weissenberg method, named after the German physicist Karl Weissenberg, is a technique used in x-ray crystallography for...

An organic light-emitting diode (OLED) is a type of light-emitting diode (LED) technology that utilizes organic compounds to...

Metrology is the science and practice of measurement. It encompasses the theoretical and practical aspects of measurement,...

The amount by which an optical surface deviates from its ideal design value, expressed in wavelengths of light. Optical...

Wide-field fluorescence microscopy uses either naturally occurring structures or staining with fluorescent tags that are...

Gallium nitride-based light-emitting diodes (GaN-based LEDs) are semiconductor devices that emit light when an electric...

Quantum efficiency (QE) is a measure of the effectiveness with which a device or system, typically in the context of...

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...

A molded lens is an optical lens manufactured using a molding process, typically involving the shaping of a material, such...

Area scan, in the context of imaging and cameras, refers to a method of capturing an entire two-dimensional image in a...

A flexible fiber cable with a small diameter that transports light from the excitation laser to the target. Used in Raman...

Laser optics refers to a broad category of optical components and systems designed for manipulating and controlling laser...

Machine vision, also known as computer vision or computer sight, refers to the technology that enables machines, typically...

A method used in surface quality testing for accurate positioning and rotation of metal spheres about an axis or fixed point...

In infrared imaging systems used for mass screening of printed circuit boards or other quality control applications, an...

An optical-quality polymer used in birefringent retarders.

Freeform optics refers to the design and fabrication of optical surfaces that do not follow traditional symmetric shapes,...

Optical noise refers to undesirable fluctuations or disturbances in an optical signal that can affect the quality or...

Quantum dot light-emitting diode (QLED) is a display technology that utilizes quantum dots, which are semiconductor...

A crystal, glass, or quartz slicing and cutting machine is a specialized piece of equipment used in the manufacturing...

Fizeau fringes are interference fringes observed in an interferometer, specifically in a Fizeau interferometer. The Fizeau...

A fiber optic preform is a cylindrical glass rod or tube used as the starting material for manufacturing optical fibers. It...

Pixel binning, also known as pixel merging or pixel combining, is a technique used in digital imaging and camera technology....

Interferometric modulator display (IMOD) is a type of display technology used in electronic devices, known for its energy...

A colorimeter is a device used to measure and quantify the color characteristics of an object or a light source. It provides...

Frame rate refers to the frequency at which consecutive images, or frames, are displayed in a video sequence. It is...

A rare gas used in small high-pressure arc lamps to produce a high-intensity source of light closely resembling the color...

A monochromator is an optical instrument used to isolate and select a narrow range of wavelengths from a broader spectrum of...

Swept-source optical coherence tomography is an imaging technique used in medical diagnostics, particularly in...

An aspheric mirror is an optical mirror surface that deviates from the shape of a perfect sphere, having a non-spherical...

A tough, durable, heat- and cold-resistant optical quality plastic used in injection-molded items such as streetlight...

A dome-shaped structure used for some optical instruments in place of a flat window. The transparent material should be of...

An optical testing instrument is a device or system used to evaluate and measure the performance, quality, and...

Automated optical inspection (AOI) is a technology used in manufacturing processes, particularly in electronics, to...

A step-by-step method of reducing the amount of data in a digital video signal to transmit or store a high-quality image....

A thermal infrared imaging procedure developed for quality control of printed circuit boards. The thermogram of each board...

Q-switched operation, or q-switching, is a technique used in lasers to produce short and intense pulses of light. The term...

An aspheric lens is a type of lens whose surface profiles deviate from the traditional spherical shape. Unlike spherical...

An electron lens consisting of a homogeneous axial electric field and a magnetic field used in high-quality image tubes for...

A hyperspectral imaging camera is a sophisticated imaging device capable of capturing and processing data across a wide...

A measurement technique used for the rapid quantitative evaluation of surface quality based on the detection and analysis of...

An alexandrite laser is a solid-state laser that utilizes a synthetic crystal made from the rare earth element alexandrite...

A probe card is a testing device used in the semiconductor manufacturing industry to evaluate and test the electrical...

An achromat, in the context of optics, refers to a type of lens or lens system designed to reduce chromatic aberration....

The collection and analysis of data relevant to monitoring the rate and quality of industrial production, either...

An image intensifier, also known as an image intensification tube or image intensification device, is a specialized...

Dispersion refers to the phenomenon where different wavelengths (colors) of light travel at different speeds when passing...

A microcomb, short for microresonator frequency comb, is a novel photonic device that generates a precise series of evenly...

Diamond turning, also known as diamond machining or diamond cutting, is a precision machining process used to produce...

An interferometer that functions by first detecting the light striking each aperture and then combining the two detector...

A near-infrared (NIR) spectrometer is an analytical instrument used to measure the absorption, transmission, or reflection...

An apochromat, often referred to as an apochromatic lens or apochromatic objective, is a type of optical system designed to...

Chromatic aberration is an optical phenomenon that occurs when different wavelengths (colors) of light are refracted by a...

A short focal length (less than five inches) positive lens used to produce a magnified image of the object being viewed....

Spatial resolution refers to the level of detail or granularity in an image or a spatial dataset. It is a measure of the...

An optical test table made up of two outer layers or "skins'' bonded to either side of a honeycomblike core, usually of...

In the context of imaging, particularly digital imaging and printing, "orange peel" refers to a texture or visual distortion...

A low-power telescope placed at the eyepiece of an optical system to increase overall magnification. Most often used to...

A phase screen, in the context of optics and wave optics, refers to a surface or medium that introduces a phase delay to an...

Epitaxial refers to the growth of a crystalline layer on a crystalline substrate in such a way that the orientation of the...

A point source of light used for the test and evaluation of image quality. May be a backlit pinhole in an otherwise opaque...

Machine vision lighting refers to the use of specific lighting techniques and equipment in the field of machine vision,...

Rockwell hardness (Rc) refers to a method for measuring the hardness of a material, primarily metals, using an indentation...

A high-quality focuser that uses rollers rather than gears and offers smooth, precise motion while reducing or eliminating...

Integration time, in the context of optics, imaging systems, and sensor technology, refers to the duration over which a...

Pixel pitch refers to the distance between the centers of two adjacent pixels on a display screen or imaging sensor. It is...

A 2D profile sensor is a type of sensor used in various industrial and technological applications to measure and capture...

FTIR (Fourier transform infrared) spectrometer is a powerful analytical instrument used to obtain an infrared spectrum of...

Die bonding is a critical process in semiconductor manufacturing and microelectronics assembly, where a semiconductor die or...

A reflection grating is an optical component that consists of a series of closely spaced, parallel reflecting surfaces or...

An aplanatic surface is an optical surface that is specifically designed or shaped to minimize spherical aberration and...

Optical manufacturing tools and machinery encompass a wide range of equipment, instruments, and systems used in the...

Ultraviolet (UV) fiber optics refers to optical fibers that are designed and optimized for the transmission of ultraviolet...

The unusual and anisotropic diamagnetic quality observed in particular crystals such as those composed of bismuth.

An optical channel monitor (OCM) is a device used in optical communication systems to monitor and analyze the performance of...

A resonator is a device or system that exhibits resonance, which is a phenomenon that occurs when an external force or...

A form of high-power microscope objective where the space between the object and the first element is filled with an oil...

Near-infrared spectroscopy (NIRS) is a non-invasive analytical technique that uses the near-infrared region of the...

A detector-Dewar assembly typically refers to a combination of a detector and a Dewar flask used in scientific instruments,...

Photonics contract manufacturing refers to the outsourcing of the production of photonics-related components, devices, or...

Optical fiber is a thin, flexible, transparent strand or filament made of glass or plastic used for transmitting light...

An imaging technique used in radiology that is based on the principles of nuclear magnetic resonance (NMR) to produce...

An optical time-domain reflectometer (OTDR) is a specialized instrument used in optical fiber communications to characterize...

A photomask, also known simply as a mask or reticle, is a key component in the photolithography process used in...

The quality of asymmetrical intensity distribution in a laser beam, as opposed to a circular distribution.

A CCD image sensor, or charge-coupled device image sensor, is a type of electronic device used to convert optical images...

Ion-beam sputtering (IBS) is a physical vapor deposition (PVD) technique used for depositing thin films onto substrates. It...

Linear receive optics typically refers to the optical components and systems used in the reception (detection) of linearly...

Thin-film deposition equipment refers to machinery and tools used in the process of depositing thin layers of material onto...

A diode-pumped solid-state laser (DPSSL) is a type of laser system that uses semiconductor diode lasers to pump energy into...

A GRIN (gradient index) lens is a type of optical lens that utilizes a gradient in refractive index across its volume rather...

An infrared lens is an optical component specifically designed and optimized for transmitting, focusing, or manipulating...

A photometer having a pair of Nicol prisms introduced into the beam from the brighter of two sources to be compared. Turning...

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...

Beam profiling is a technique used to characterize and analyze the spatial intensity distribution of a laser beam. It...

An expression of the tolerance of decentration of a laser diode from the optical axis: the region around the axis in the...

Irregularities and disturbances in the atmosphere that are of particular interest because they induce random temporal and...

In the context of electronics and semiconductor manufacturing, a wafer refers to a thin, flat disk or substrate made of a...

Standard light source representative of the quality of specified natural or artificial illumination.

The function that characterizes the quality of an optical system by denoting the modulation and spatial phase shift of the...

A threadlike inclusion within a blank of optical glass. Rarely found in quality optical materials.

Embedded vision refers to the integration of computer vision technologies into various embedded systems, devices, or...

The emission of a photon by the return of an excited carrier from the conduction band to the valence band of a semiconductor...

A flowmeter is a device used to measure the flow rate or quantity of a fluid passing through a particular point in a system....

A diffraction pattern sampling unit composed of a 32-element monolithic silicon photodiode array and a readout unit. The...

The study of the quality of the image formed on the retina by the measurement of the flux reflected from the eye when the...

Free-space optics (FSO), also known as optical wireless communication or optical wireless networking, refers to the...

Nd:YAG laser refers to a solid-state laser that utilizes neodymium-doped yttrium aluminum garnet (Nd:Y3Al5O12) as the gain...

Off-axis paraboloid and ellipsoid mirrors are specialized optical components used in various optical systems, particularly...

Spectral repeatability refers to the consistency and reproducibility of spectral measurements across multiple trials or...

Digital signal processing (DSP) refers to the manipulation and analysis of signals, which are representations of physical...

A measure of image quality produced by an optical system. May be specified in terms of cycles per millimeter, referencing a...

Custom lapping and polishing services involve specialized processes used to improve the surface finish and dimensional...

A pixel, short for "picture element," is the smallest controllable element of a digital image or display. It is a...

A nondestructive test, also referred to as LASAT, that uses a high-energy laser pulse that is targeted on an adhesively...

A device used to evaluate the quality of fiber optic splices made in the field by injecting light into the cladding of the...

Photobleaching is a phenomenon in which the fluorescence of a fluorophore (a fluorescent molecule or dye) is permanently...

Measurement of surface roughness or quality through the use of a diamond-pointed stylus connected to a coil in an electric...

A machine vision lens is a specialized optical lens designed for use in machine vision systems, which are used for automated...

An astronomical mirror, also known as a telescope mirror or primary mirror, is a key component of a reflecting telescope. It...

In the context of optics and lasers, a transverse mode refers to a specific spatial pattern of the electric field within the...

A mirror blank refers to the initial piece of material from which a mirror is made. It is typically a flat or slightly...

Magnetorheological finishing (MRF) is a precision optics polishing technique used for shaping and finishing optical surfaces...

Optical artifacts refer to undesired or unintended effects that can occur in optical systems, such as microscopes, cameras,...

Seidel aberrations refer to a set of monochromatic aberrations in optical systems, named after the German mathematician and...

A technique used for noncontact inspection of semiconductor wafers. The material is illuminated by an excitation source that...

Photon-rich typically refers to an environment or situation where there is an abundance of photons present. In the context...

A microbubble resonator is a device used in photonics and optical physics for the precise manipulation of light waves. It...

An etalon is an optical device that consists of two parallel reflecting surfaces separated by a precise and known distance....

A polished plano-parallel plate that is contacted to an unpolished glass surface to permit see-through analysis of the...

CoaXPress (CoaXPress or CXP) is a standardized digital interface and communication protocol used primarily in machine vision...

Thermography is a technique that involves the use of an infrared imaging device, called a thermal camera or infrared camera,...

The restriction of wavefront error to within a quarter of a wavelength of a true spherical surface to assure essentially...

Also referred to as differential interference contrast (DIC) microscopy; Nomarski microscopy is a unique form of microscopy...

The region of the cathode-ray tube phosphor screen restricted by the tube and instrument specification.

A laser cavity, also known as an optical cavity or resonator, is a fundamental component of a laser system. It is a confined...

Camera designed for the imaging of the earth's surface in order to obtain high quality aerial images

Phase distortion refers to a change in the phase relationships between different frequency components of a signal. In the...

Aplanatic points refer to specific points in an optical system where certain aberrations, such as spherical aberration or...

A process by which high-quality fiber optics are made. See axial vapor-phase deposition.

A CCD camera, or charge-coupled device camera, is a type of digital camera that utilizes a CCD image sensor to capture and...

A digital camera is a device that captures and records still images or video in digital format. Unlike traditional film...

Volumetric imaging refers to the capture, visualization, and analysis of three-dimensional (3D) information from a volume of...

A method of evaluating image quality whereby a large number of rays are traced through a lens from a single object point,...

An image intensifier tube that uses a magnetic field for focusing. It yields high-quality images, but its use is limited by...

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...

Liquid crystal on silicon (LCoS) is a display technology that combines liquid crystal materials with silicon-based...

Equipment that supports microscopic live-cell imaging by managing the gas, media perfusion, temperature and other factors to...

A high-quality, narrow-angle lens of high aperture designed for low magnification in the recording of cathode-ray tube...

A nondestructive testing method for very large scale integration circuits, using a scanning electron microscope to monitor...

Digital Imaging and Communications in Medicine (DICOM) is an international standard for medical imaging created by both the...

The property of an optical system whereby only the effects of diffraction determine the quality of the image it produces.

A measure of the closeness with which an optical image is capable of resembling the original object. The factors that affect...

Adaptive optics (AO) is a technology used to improve the performance of optical systems by reducing the effects of...

Photochromic refers to a property exhibited by certain materials, typically organic compounds or dyes, which undergo...

The standards of MIL-O-13830 set by the US government relative to tolerable surface scratches and other such defects in an...