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Compact Dictionary Terms

GaN distributed feedback lasers
GaN (gallium nitride) distributed feedback (DFB) lasers refer to a specific type of semiconductor laser based on Gallium...
Risley prism
A Risley prism, also known as a Risley prism pair or Risley rotating prism, is an optical device used for controlling the...
CD/I
A technical specification for a consumer product drawn up by Sony and Philips. CD/I combines audio, video and text recorded...
astronomical telescope
An astronomical telescope is a type of optical instrument designed to gather and magnify light from distant celestial...
micro-optics
Micro-optics refers to the design, fabrication, and application of optical components and systems at a microscale level....
diode laser
A diode laser is a type of laser that uses a semiconductor diode as the active medium to generate coherent light....
polycarbonate
A tough, durable, heat- and cold-resistant optical quality plastic used in injection-molded items such as streetlight...
point source lamp
A lamp, usually incandescent, that has a very compact filament, permitting a greater concentration of emitted light, aided...
optical combiner
An optical combiner, in the context of optics and display technologies, refers to a device or component that combines...
micro-ring resonator
A micro-ring resonator is a compact optical device that utilizes the resonant behavior of light within a small ring-shaped...
fiber optic imaging bundle
A fiber optic imaging bundle is a specialized optical device composed of multiple optical fibers bundled together. Each...
fiber optic sensor
A fiber optic sensor is a device that uses optical fibers to detect and measure physical, chemical, biological, or...
helmet-mounted display
A compact optical projection system, mounted on or built into a helmet, and used to project data or a scene directly into...
tungsten lamp
An evacuated bulb containing a tungsten filament that is heated by passing an electric current through it. In domestic light...
error correcting code
The addition to the information signal in communications of redundant bits that enable the originally encoded message to be...
optofluidics
Optofluidics is an interdisciplinary field that combines principles from optics and fluidics to create devices and systems...
photoconductive antenna
Photoconductive antenna (PCA) is a semiconductor element that generates or detects high-frequency electromagnetic signals....
lab-on-a-chip
A lab-on-a-chip (LOC) is a miniaturized device that integrates various laboratory functions and capabilities onto a single,...
coherent fiber bundle
A coherent fiber bundle (CFB), also known as a coherent fiber optic bundle, is an assembly of multiple optical fibers...
metasurfaces
Metasurfaces are two-dimensional arrays of subwavelength-scale artificial structures, often referred to as meta-atoms or...
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...
focus lamp
An incandescent or carbon arc lamp designed with a stable and compact arc or filament that permits it to be used as a light...
MEMS fiber optic switch
A MEMS fiber optic switch is a microelectromechanical system (MEMS) device designed to selectively route optical signals...
holographic camera
A holographic camera, also known as a holographic imaging system or holographic recorder, is a specialized device used to...
microdisplay
A microdisplay is a miniature electronic display technology that is designed to project visual information onto a small...
aspheric lens
An aspheric lens is a type of lens whose surface profiles deviate from the traditional spherical shape. Unlike spherical...
CMOS quantitative polymerase chain reaction system
This type of miniaturized system, referred to as CMOS qPCR, combines microfluidic technology with an ultralow-light CMOS...
whispering gallery mode
Whispering gallery mode (WGM) refers to a phenomenon in wave physics, particularly in optics, where waves, such as light or...
laser diode module
A laser diode module is a compact device that incorporates a laser diode, optics, and often other components into a single...
photonic crystals
Photonic crystals are artificial structures or materials designed to manipulate and control the flow of light in a manner...
delta prism
A compact, folded version of a Dove prism, made of high-index glass with a silvered base and used for image rotation.
accelerometer
An accelerometer is a sensor or transducer that measures the rate of change of velocity of an object, or in simpler terms,...
flexible display
A flexible display refers to a type of electronic visual display that is designed to be bendable, foldable, or rollable,...
polygonal mirror
A polygonal mirror, also known as a multifaceted mirror or facet mirror, is a type of optical component used in various...
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...
plasmonics
Plasmonics is a field of science and technology that focuses on the interaction between electromagnetic radiation and free...
diode-pumped solid-state laser
A diode-pumped solid-state laser (DPSSL) is a type of laser system that uses semiconductor diode lasers to pump energy into...
solid-state laser
A solid-state laser is a type of laser that uses a solid gain medium (as opposed to a liquid or gas) to produce coherent...
lensless microscopy
Lensless microscopy, also known as computational or holographic microscopy, is an imaging technique that captures and...
halogen lamp
A halogen lamp, also known as a tungsten halogen, quartz-halogen, or quartz iodine lamp, is an incandescent lamp that uses a...
light-emitting diode
An LED, or light emitting diode, is a semiconductor device that emits light when an electric current passes through it. LEDs...
helium-neon laser
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...
system on chip
Abbreviated SoC. A single chip containing all the electronic circuits required for a complete, working product. SoCs are...
mirror lens
An image-forming system having curved mirrors in place of transparent glass components. Mirror lenses are commonly used for...
metalens
A metalens, short for "metasurface lens," is a type of optical lens that uses nanostructured materials to manipulate light...
topology
Topology is a branch of mathematics that focuses on the properties of space that are preserved under continuous...
Peltier cooler
A Peltier cooler, also known as a thermoelectric cooler (TEC) or thermoelectric module, is a solid-state device that uses...
terrestrial telescope
A telescope that produces an erect image. Erection is achieved either by a lens (for a long instrument) or a prism (for a...
fiber optic spectrometer
A fiber optic spectrometer is a device used for measuring the spectral content of light. It utilizes optical fibers to...
biplanar image tube
Also called proximity focus image intensifier. A compact image intensifier that utilizes a microchannel plate...
nanophotonics
Nanophotonics is a branch of science and technology that explores the behavior of light on the nanometer scale, typically at...
GaAlAs laser
A GaAlAs laser is a type of semiconductor laser diode that emits light in the near-infrared region of the electromagnetic...
compact disk read-only memory
 embedded laser
The term "embedded laser" typically refers to a laser device that is integrated or embedded into a larger system or...
nonlinear optical materials
Nonlinear optical materials are substances that exhibit optical properties that are not linearly proportional to the...
GRIN lens
A GRIN (gradient index) lens is a type of optical lens that utilizes a gradient in refractive index across its volume rather...
photonic integrated circuit
A photonic integrated circuit (PIC) is a compact and integrated device that incorporates multiple photonic components and...
mode 1 (and mode 2)
In compact disc systems, the two principal frame formats for data storage. Mode 1 devotes 2048 bytes to user data, reserving...
blue diode laser
A blue diode laser is a type of semiconductor laser that emits light in the blue wavelength range of the electromagnetic...
CD-ROM (compact disc read-only memory)
An adaptation by Philips and Sony of their audio compact disc technology for optical disc data storage and retrieval....
fiber optic gyroscope
A fiber optic gyroscope (FOG) is a type of gyroscope that uses the interference of light waves to detect changes in...
short-arc lamp
A compact high-pressure light source in which an electrical discharge between electrodes spaced no more than 12 mm apart...
integrated photonics
Integrated photonics is a field of study and technology that involves the integration of optical components, such as lasers,...
freeform mirrors
Freeform mirrors refer to reflective optical components that deviate from traditional symmetric or rotationally symmetric...
digital camera
A digital camera is a device that captures and records still images or video in digital format. Unlike traditional film...
aspheric mirror
An aspheric mirror is an optical mirror surface that deviates from the shape of a perfect sphere, having a non-spherical...
laser rangefinder
A laser rangefinder is a device that uses laser technology to measure the distance between the device and a target. It...
supercontinuum
Supercontinuum refers to a broad spectrum of light that spans a wide range of wavelengths, typically from the visible to the...
optical head
In compact disc and CD-ROM technology, the portion of the drive that projects the laser light onto the surface of the media...
compacting
The heat-treating method in which the index of refraction of glass is fixed near or at its maximum value by holding the...

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