A step-by-step method of reducing the amount of data in a digital video signal to transmit or store a high-quality image. The digitized picture is analyzed, and fine detail and redundant pixels, unnecessary for visual quality as perceived by humans,...

Any of a number of instruments that uses a flame to vaporize a solution of the chemical being analyzed so that light may be...

In optics and photonics, "phase" refers to a property of electromagnetic waves, such as light, that describes the position...

MTF analysis/measurement equipment refers to instruments and tools used to measure and analyze the modulation transfer...

A scanning device used to cyclically tune through a given frequency range to determine the amplitude-frequency distribution...

The angular spectrum approach is a mathematical and computational technique used in the field of optics to analyze and...

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

A spectroradiometer is a device used to measure the intensity of light at different wavelengths across the electromagnetic...

A double block formed by placing two adjoining, equally thick sections of quartz, one being dextrorotary, the other...

An autocollimator is an optical instrument used for measuring small angular deviations with high precision. It operates on...

An instrument that spectrally analyzes the flux reflected from a material. The reflected flux may be total, diffuse or...

The time domain is a concept used in signal processing and analysis to describe signals in terms of their behavior over...

Reflectance confocal microscopy (RCM) is a non-invasive imaging technique that allows for high-resolution, in vivo imaging...

Spectral domain optical coherence tomography is an imaging technique used in medical diagnostics, particularly in...

A mass spectrometer utilizing both radial electrostatic and magnetic field analyzers to improve the focusing and increase...

A combination of a polarizer and an analyzer that is used to detect birefringence or rotation of the plane of polarization...

A fiber optic gyroscope (FOG) is a type of gyroscope that uses the interference of light waves to detect changes in...

The relative path difference (or phase shift) traveled between two rays that pass through different mediums from the same...

A method for obtaining the optical absorption spectra of solids, semisolids, liquids and gases. PAS is inherently...

A device that is used to produce or analyze plane-polarized light. It may be a Nicol prism or some other form of calcite...

A technique for reducing data processing requirements by electronically defining only a small portion of the image to be...

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

A technique in photometry that uses an oxyhydrogen or oxyacetylene flame to optically excite a solution containing the...

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

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

Spectroscopy is a technique used in the study of interactions between matter and electromagnetic radiation. It involves...

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

In imaging, the processing of pixel data in such a way that a group of pixels is analyzed at one time rather than one pixel...

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

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

A diffraction grating is an optical component consisting of a surface with a periodic structure of equally spaced, parallel...

Raman spectroscopy is a technique used in analytical chemistry and physics to study vibrational, rotational, and other...

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

A terahertz spectrometer is a scientific instrument used to measure and analyze the properties of materials in the terahertz...

Spatial light interference microscopy (SLIM) is an optical microscopy technique that belongs to the category of quantitative...

Time-correlated single photon counting (TCSPC) is a technique used in photon counting applications, particularly in the...

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

A device used to project a reference spectrum next to a spectrum to be analyzed to provide visual comparison.

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

A spectrophotometer is a scientific instrument used to measure the intensity of light at various wavelengths in the...

Microfluidics is a multidisciplinary field that involves the manipulation and control of very small fluid volumes, typically...

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

A method of measuring flow velocity by seeding the flow with neutrally buoyant particles and using a pulsed laser to...

A mixed-signal oscilloscope (MSO) is a type of electronic test instrument that combines the capabilities of both a...

An instrument designed to analyze the optical effects of color.

1. A polariscope consisting of a Savart plate and a tourmaline plate analyzer, and used to produce parallel color fringes by...

Whole slide imaging (WSI), also known as virtual slide microscopy or digital pathology, is a technology that involves the...

An absorption peak refers to a sharp increase or spike in the absorption of electromagnetic radiation at a particular...

Remote inspection refers to the process of inspecting, evaluating, or monitoring assets, equipment, infrastructure, or...

Spatially offset Raman spectroscopy (SORS) is a technique that extends traditional Raman spectroscopy by incorporating...

A lab-on-a-chip (LOC) is a miniaturized device that integrates various laboratory functions and capabilities onto a single,...

An instrument designed to calculate the amplitude and phase of the different harmonic elements of a radiation wave utilizing...

A scintillation crystal, also known simply as a scintillator, is a material that emits light when it interacts with ionizing...

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

A device consisting of an airtight quartz tube that holds the material to be analyzed. When a high-frequency electrostatic...

A Laurent polarimeter is an instrument used in optics for measuring the rotation of plane-polarized light caused by...

The frequency domain is a concept used in signal processing and analysis to represent signals and data in terms of their...

Virtual histology refers to the use of digital technology and computational methods to simulate or recreate histological...

A fiber optic spectrometer is a device used for measuring the spectral content of light. It utilizes optical fibers to...

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

A magnon is a quasiparticle representing a quantized spin wave in a magnetic material. In other words, it is a collective...

Attenuated total reflectance (ATR) spectroscopy is a technique used in analytical chemistry to obtain IR spectra of samples....

Spectral flow cytometry is an advanced flow cytometry technique that expands the capabilities of traditional flow cytometry...

Enhanced picture archiving and communication system (PACS) display (ePAD) is a software tool used in medical imaging to...

The formation and display of three-dimensional images by ultrasonic energy. In one technique, the energy pulses from an...

A scanning probe microscope that analyzes the surface of a specimen by recording the intensity of light as it is focused...

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

An instrument incorporating an infrared detector assembly, used to analyze carbon dioxide gases and in medical applications...

A device that permits only electrons within a narrow velocity range to pass through it, while rejecting those above and...

Quantitative phase imaging (QPI) is an advanced imaging technique used in microscopy to measure and analyze the optical...

Backscatter refers to the phenomenon in which radiation or waves are scattered backward, opposite to the direction of the...

Technique in which the polarization rotation of light, and its relationship to the magnetic field strength can be analyzed...

An imaging process, similar to specific Doppler mapping radar techniques, that utilizes a laser, an optical imaging system,...

A spectrometric instrument that detects radiation simultaneously in multiple channels, sorts it spectrally from the deep...

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

The instrument used to analyze a pulsed electromagnetic wave to determine its time, amplitude, duration and shape, and to...

Remote sensing is a method of data collection and observation where information about objects, areas, or phenomena on...

An experimental research technique by which absorbed or unabsorbed radiation is analyzed in order to characterize and...

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

Circular dichroism (CD) is a spectroscopic technique used to study the structural characteristics of chiral (asymmetric)...

A device designed to measure the amplitude and frequency of the elements in a complex waveform.

A spectral line of an internal standard; used to compare radiant energy of the line being analyzed.

A system in which a supplied signal causes the deflection of the electron beam in a cathode-ray tube, thus forming a visible...

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

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

A type of compensator for use with a microscope and consisting of a quarter-wave plate in a fixed position and a rotatable...

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

Single-molecule Förster resonance energy transfer (smFRET) is a specialized technique in biophysics and molecular...

Biometrics refers to the automated recognition of individuals based on their physiological or behavioral characteristics....

The Shack-Hartmann wavefront sensor is an optical device used for measuring the wavefront aberrations of an optical system....

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

A semicircular, half-wave quartz plate between the polarizer and analyzer. It often is used in forming precision settings...

A spectroscopic process that detects and analyzes the discharge from an extrinsic surface with less than bandgap light. This...

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

A small half-shade analyzer placed in the eyepiece of a polarimeter to determine the character of the polarized light...

Microscopy is a scientific technique that involves the use of microscopes to observe and study objects that are too small to...

Label-free refers to a technique or method that does not require the use of additional labels, tags, or markers to detect or...

Reflectance spectroscopy is a technique used to analyze the reflective properties of materials across various wavelengths of...

A polariscope with a half-shade device and an angular scale generally attached to the analyzer. It is used to measure the...

A microscope equipped with a polarizer, an analyzer and a Bertrand lens to focus on the upper focal plane of the objective....

Laser-induced fluorescence (LIF) is a spectroscopic technique that involves using a laser to excite molecules or atoms,...

An optical device, such as a Nicol prism, capable of producing plane-polarized light, and used for detecting the effect of...

Calorimetry is a branch of science that involves the measurement of heat flow in physical or chemical processes. It...

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

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

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

A spectral signature, in the context of remote sensing and spectroscopy, refers to the unique pattern or characteristic...

An endoscope is a medical device used for visualizing and examining the interior of hollow organs, body cavities, or...

An atomic absorption spectrometer (AAS) is an analytical instrument used to determine the concentration of specific chemical...

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

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

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

Commonly performed in spectroscopy, the optical null process is a method for radiation detection whereby physical detectors...

Photoelastic equipment and supplies refer to instruments and materials used in photoelasticity, a technique used to analyze...

A device employed to identify toxic agents lingering on the ground or in the air from up to three miles away, by using laser...

A small mass spectrometer, with a limited mass range, equipped with an analyzer to generate a cycloidal-path beam of the...

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

Flow cytometry is a powerful technique used in biology and medicine for the quantitative analysis of the physical and...

The technique that uses light to detect and analyze the antibodies produced by a specimen stained with an organic dye.

The film used in photographic dosimetry to record the types and amounts of ionizing radiation, such as x-rays and gamma...

A detector array refers to a collection of individual detector elements arranged in a two-dimensional grid or matrix format....

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