The addition to the information signal in communications of redundant bits that enable the originally encoded message to be decoded without degradation of the data. In compact disc technology, the code is known as cross-interleaved Reed-Solomon code...

A small mass spectrometer used to find leaks in a vacuum system by detecting the presence of helium. Using a magnetic...

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

A method of sensing by transmitting energy from the sensor and detecting the energy after it has been reflected by the...

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

A quantum cascade laser (QCL) is a type of semiconductor laser that operates based on the principles of quantum mechanics....

An instrument for detecting and analyzing repetitive signals. Using a fixed time delay or "gate," the input signal...

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

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

A photodetector in which an electrical charge is produced when incident photons change electrons within the detecting...

A device used to determine the location and attitude with respect to the Earth of orbiting spacecraft by detecting the...

Fluorescence lifetime imaging (FLIM) is an advanced imaging technique that provides information about the lifetime of...

A technique for detecting free radicals by their electronic spectra. The material to be studied is placed in a...

A single-photon avalanche diode (SPAD) is a specialized type of photodetector designed to detect extremely weak optical...

An optical system that records inhomogeneities within a medium by detecting the energy refracted by that portion of the...

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

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

An erasable data recording and storage medium that uses a laser to heat the crystalline surface of the disc to a certain...

Terahertz (THz) refers to a unit of frequency in the electromagnetic spectrum, denoting waves with frequencies between 0.1...

Surface-enhanced Raman scattering (SERS) is a powerful analytical technique that enhances the Raman scattering signal of...

The pattern of microwave field intensity that can be obtained by detecting the minute expansion of a microwave absorber slab...

Immunohistochemistry (IHC) is a method for detecting antigens or haptens in cells of a tissue section by using labeled...

A fiber-coupled photoconductive antenna (FCPA) is a type of optoelectronic device that combines a photoconductive antenna...

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

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

Nanoparticle photonic resonator absorption microscopy is a microscopy technique that combines the principles of photonic...

Metabolic imaging refers to the visualization and quantification of metabolic processes within living organisms, tissues, or...

An instrument for detecting or measuring small electric currents.

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

An impurity-doped silicon detector array sensitive to long infrared wavelengths, installed in optical collecting systems...

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

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

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

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

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

Use of a photoelectric receiver to sense an object's presence by detecting a small amount of the emitter's light that is...

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

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

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

Structural surfaces that incorporate an embedded sensor network capable of detecting flaws within the structure.

Photoplethysmography (PPG) is a non-invasive optical technique used to detect changes in blood volume in tissues. It...

Light present in the environment around a detecting or interpreting device, especially a machine vision system, and...

A fluorophore is a molecule or a portion of a molecule that has the ability to emit light upon excitation by an external...

A device for detecting visual and infrared radiation using a photoconductor as the principle sensing element.

A method for detecting vibration amplitudes analogous to image holography, except that the film emulsion is replaced by a...

A technique for detecting and measuring atmospheric pollution, in which an oscillating mirror directs half the incoming...

Long-wave infrared (LWIR) refers to a specific range of the infrared spectrum. Infrared radiation is divided into three main...

A scientific CMOS (complementary metal-oxide-semiconductor) camera is a type of digital camera specifically designed for...

Line scan refers to a method of capturing images or data by scanning a single line at a time, as opposed to capturing the...

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

Fluorescence lifetime refers to the average time it takes for a fluorophore, a molecule that absorbs light at one wavelength...

A microchannel plate (MCP) is a specialized electron multiplier device used in various applications such as particle...

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

Indium phosphide (InP) is a compound semiconductor material composed of indium (In) and phosphorus (P). It belongs to the...

A variation of the atomic force microscope that operates by scanning a tiny ferromagnetic probe (or a magnetized tip) over a...

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

A device for automatic exposure control in which a motor-driven diaphragm adjusts the aperture in response to a signal from...

A silicon photodiode is a semiconductor device that converts light into an electrical current. It is a type of photodetector...

A system that uses a continuous-wave laser to measure the velocity of an object by focusing the laser beam on the object,...

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