A thin, stretched plastic membrane cemented to a rigid supporting ring. It may be coated to act as a beamsplitter, for example, in a color camera; it is so thin that no perceptible image doubling appears in the reflected beam. Pellicles are very...

The arc formed when the rare gas xenon is excited electrically and emits a brilliant white light. Xenon is used to fill...

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

A MEMS fiber optic switch is a microelectromechanical system (MEMS) device designed to selectively route optical signals...

Fluorescence is a type of luminescence, which is the emission of light by a substance that has absorbed light or other...

A photonic integrated circuit (PIC) is a compact and integrated device that incorporates multiple photonic components and...

In image acquisition (and sampling theory), the postulate that the pickup sampling frequency must be a minimum of twice as...

An accelerometer is a sensor or transducer that measures the rate of change of velocity of an object, or in simpler terms,...

A means of testing the strength of optical fibers to ensure reliability, by applying stress to the fiber so that any flaws...

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

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

GigE, short for gigabit Ethernet, refers to a standard for high-speed Ethernet communication, capable of transmitting data...

The effect discovered by Faraday in 1845 whereby nonoptically active materials or substances become capable of rotating the...

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

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

A fiber-coupled LED (light-emitting diode) refers to an LED device that is optically coupled to an optical fiber for the...

Ratiometry is a technique used in various scientific fields, particularly in analytical chemistry and biochemistry, to...

A solid with a structure that exhibits a basically symmetrical and geometrical arrangement. A crystal may already possess...

A GaAlAs laser is a type of semiconductor laser diode that emits light in the near-infrared region of the electromagnetic...

A diode laser is a type of laser that uses a semiconductor diode as the active medium to generate coherent light....

A refractometer that has a greater resolving power than a standard refractometer, and that uses a pentagonal prism to split...

Name originally given to the sun's infrared radiation by Sir William Herschel in his Philosophical Transactions of 1800.

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

An unmanned aerial vehicle (UAV), commonly known as a drone, is an aircraft without a human pilot onboard. UAVs are remotely...

Triggering a laser at a predetermined time by pumping it to a level just below its threshold and then using an auxiliary...

A laser in which stimulated emission is triggered by the absorption by electrons of light from an auxiliary source such as a...

A helium-neon (HeNe) laser is a type of gas laser that emits visible red light at a wavelength of 632.8 nm. It operates...

Any optical device that utilizes diffraction in an image-forming capability. Familiar diffractive lenses are zone plates,...

Optical fiber optic switches are devices used in optical fiber communication systems to selectively route optical signals...

A solar simulator is a device used to replicate the spectrum and intensity of sunlight in a controlled environment for...

Autofluorescence refers to the natural emission of fluorescence exhibited by certain biological structures or molecules when...

A Peltier cooler, also known as a thermoelectric cooler (TEC) or thermoelectric module, is a solid-state device that uses...

A laser diode module is a compact device that incorporates a laser diode, optics, and often other components into a single...

Inertial confinement fusion (ICF) is a method of achieving nuclear fusion, a process where two atomic nuclei combine to...

A term variously applied to remote sensing techniques that essentially refers to all parametric conditions that influence...

Topological photonics is a branch of physics and optics that explores the application of topological concepts to the...

The physical adaption of the eye lens, by means of ciliary muscle contraction, in order to maintain a clear, in focus image...

A device that provides simple and reliable laser power and energy measurement. Essentially a heat flux sensor producing an...

An infrared detector mounted directly on the cold finger of the Dewar cooler rather than at the interface of Dewar and...

A prism invented by William Nicol in 1828 that is made of calcite, the end faces of which are ground to an angle of 68°...

Double-clad fiber (DCF) is a specialized optical fiber that features two concentric cladding layers surrounding a core. The...

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

The auxiliary electrode in a photomultiplier that gives rise to secondary emission and amplification when bombarded by...

In the context of electronics and optics, an isolator refers to a device that allows the transmission of signals in one...

A fiber optic sensor is a device that uses optical fibers to detect and measure physical, chemical, biological, or...

Silicon carbide (SiC) light-emitting diodes (LEDs) are semiconductor devices that emit light when an electric current is...

In image processing, methods of reducing image defects that result from false data. Techniques include sampling, linear...

A transducer is a device or component that converts one form of energy into another. It is commonly used in various fields,...

Laser lithotripsy is a medical procedure that uses laser energy to break down or fragment stones in various parts of the...

A retroreflector is an optical device or structure that reflects incident light or electromagnetic waves back to their...

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

Quantum sensing refers to a class of sensing technologies that leverage principles from quantum mechanics to enhance the...

A fiber optic transceiver, often simply referred to as an "optical transceiver," is a device used in fiber optic...

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

A process and method by which manipulation and orientation of a given number of directed laser beams decreases the motion of...

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

Design and engineering consulting services refer to professional services provided by specialized firms or individuals to...

Inertial fusion energy (IFE) refers to a proposed method of generating electricity by harnessing the energy released from...

Etaloning is an optical phenomenon that occurs in imaging systems, particularly in devices such as spectrometers,...

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

Rolling shutter artifacts are distortions or visual anomalies that can occur in images or videos captured by cameras with...

A sapphire window refers to a transparent optical component made from sapphire crystal. Sapphire is a single-crystal form of...

A two-stage illuminating system for a microscope in which the source is imaged in the aperture of the substage condenser by...

A ring laser gyroscope (RLG) is a type of gyroscope that uses laser light to detect and measure changes in orientation. It...

In image processing, the result of a sampling frequency that is too slow to preserve the spatial frequencies of the image....

An infrared detector is a device that is used to detect and measure infrared radiation, which lies beyond the visible...

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 key distribution (QKD) is a method of secure communication that utilizes principles from quantum mechanics to...

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

A linear positioning stage, also known as a linear stage or translation stage, is a precision mechanical device used to...

An abundant material found in the form of quartz and agate and as one of the major constituents of sand. The silicates of...

Piezoelectric motion systems are mechanical systems that utilize piezoelectric materials to generate controlled motion or...

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

An optical instrument for forming the spectrum of a light source and recording it on a film. The dispersing medium may be a...

Micro-LED (micro-light-emitting diode) refers to a technology that involves the use of very small light-emitting diodes to...

A field of physics that deals with light as if it truly were composed of rays diverging in various directions from the...

GaN (Gallium Nitride) distributed feedback (DFB) lasers refer to a specific type of semiconductor laser based on Gallium...

Histology is the branch of biology and medicine that involves the study of the microscopic structure of tissues and organs...

Sapphire optical fiber is a type of optical fiber made from single-crystal sapphire, which is a form of aluminum oxide...

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

A small xenon-filled tube with metal electrodes fused into the ends. The gas flashes brilliantly when a condenser is...

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

Familiar term for CD/I disc. The CD/I standard also is known as the green standard.

Integrated photonics is a field of study and technology that involves the integration of optical components, such as lasers,...

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

The internet of things (IoT) refers to a network of interconnected physical devices, vehicles, appliances, and other objects...

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

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

An infrared light-emitting diode (IR LED) is a semiconductor device that emits infrared light when an electric current...

A corner cube, also known as a corner reflector or retroreflector prism, is a type of optical device used to reflect light...

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

Optical cements and adhesives are specialized materials used in the assembly and bonding of optical components in optical...

A fiber optic cable assembly refers to a complete unit consisting of optical fibers, connectors, protective jackets, and...