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optical component Dictionary Terms

environmental range
The maximum to minimum range of temperature, pressure, humidity, vibration and biological conditions under which an optical...
soft mold blocking
Blocking by means of a pitch ring, pitch button or a totally pitched block. Pitch, containing a soft filter, may be used...
laser drift
Laser drift typically refers to a phenomenon where the frequency or wavelength of a laser source gradually changes over...
scattered light filter
A specific type of filter designed to reduce the amount of light scattered by reflections from the edges of optical...
diffraction grating
A diffraction grating is an optical component consisting of a surface with a periodic structure of equally spaced, parallel...
off-axis paraboloid and ellipsoid mirror
Off-axis paraboloid and ellipsoid mirrors are specialized optical components used in various optical systems, particularly...
freeform mirrors
Freeform mirrors refer to reflective optical components that deviate from traditional symmetric or rotationally symmetric...
linear optics
Linear optics refers to the study and manipulation of light in a linear and deterministic manner, where the response of...
modulation transfer function analysis/measurement equipment
MTF analysis/measurement equipment refers to instruments and tools used to measure and analyze the modulation transfer...
infrared lens
An infrared lens is an optical component specifically designed and optimized for transmitting, focusing, or manipulating...
liquid coating
A self-healing, index-matching, nonporous coating for optical components that can eliminate production difficulties and...
freeform optics
Freeform optics refers to the design and fabrication of optical surfaces that do not follow traditional symmetric shapes,...
beam matrix
1. A geometrical arrangement of two or more light beams for use in laser shows, object detection or other applications...
MEMS fiber optic switch
A MEMS fiber optic switch is a microelectromechanical system (MEMS) device designed to selectively route optical signals...
insertion loss
The total optical power loss caused by the insertion of an optical component such as a connector, splice or coupler into a...
infrared reflector
An optical component coated to reflect infrared radiation. Gold, silver and aluminum are typical coating materials.
fused quartz and silica
Fused quartz and silica are closely related materials, both composed primarily of silicon dioxide (SiO2), but they are...
integrated photonics
Integrated photonics is a field of study and technology that involves the integration of optical components, such as lasers,...
infrared optic
Infrared optics refer to optical components and systems designed to manipulate and control infrared (IR) light, which lies...
paraffin oil
A saturated compound of carbon and hydrogen used as a liquid coating material for optical components in high-power laser...
diamondlike carbon film
A very hard, highly transparent coating based on forms of carbon, used to protect optical components from abrasion and...
reflection grating
A reflection grating is an optical component that consists of a series of closely spaced, parallel reflecting surfaces or...
astronomical telescope
An astronomical telescope is a type of optical instrument designed to gather and magnify light from distant celestial...
optical assembly
An optical assembly refers to a collection of optical components that are carefully arranged and aligned to perform a...
optical design and engineering services
Optical design and engineering services involve the development, customization, and optimization of optical systems and...
replicated optics
Optical components, usually reflectors, produced using proprietary techniques that transfer the precision of a master to a...
phase contrast microscopy
Phase contrast microscopy is an optical microscopy technique that enhances the contrast of transparent and colorless...
optical testing instrument
An optical testing instrument is a device or system used to evaluate and measure the performance, quality, and...
optical phase distortion
Optical phase distortion refers to a phenomenon where the phase of an optical wavefront is altered as it propagates through...
optical testing
Refers to a variety of methods and tools used to determine the surface contour and performance of optical components and...
optical noise
Optical noise refers to undesirable fluctuations or disturbances in an optical signal that can affect the quality or...
magnetorheological finishing
Magnetorheological finishing (MRF) is a precision optics polishing technique used for shaping and finishing optical surfaces...
prelasing
When uncontrolled laser energy leaks from a laser cavity prematurely, it causes serious damage to optical components and...
optical materials
Optical materials refer to substances or compounds specifically chosen for their optical properties and used in the...
beam expander
A system of optical components designed to increase the diameter of a radiation beam. Usually an afocal system.
diamond turning
Diamond turning, also known as diamond machining or diamond cutting, is a precision machining process used to produce...
polystyrene
A plastic used in molded optical components. Styrene elements can be combined with acrylic elements to produce achromatic...
lens mount
The metal tube that maintains the optical components of a lens in proper relationship. Some lenses are mounted in metal...
vapor degreasing
A method of cleaning and drying coated optical components. The cooled parts are placed in a container above a boiling...
massive optics
Optical components exceeding 24 in. in diameter. The components are usually glass, acrylic or polystyrene and are used for...
optical Fourier transform
The optical Fourier transform is a mathematical operation applied to optical signals that involves transforming a spatial...
nanophotonics
Nanophotonics is a branch of science and technology that explores the behavior of light on the nanometer scale, typically at...
mounting cement
An adhesive used to hold optical components in their mounts. It may be a thermoplastic or chemical-hardening substance.
compression molding
A method of producing large volumes of plastic optical components in which powdered or sheet plastic is pressed between...
photonic crystals
Photonic crystals are artificial structures or materials designed to manipulate and control the flow of light in a manner...
isolator
In the context of electronics and optics, an isolator refers to a device that allows the transmission of signals in one...
aberration
A departure from ideal paraxial imaging behavior. The distortion of an optical field wavefront as it is propagated through...
integrated optics
A thin-film device containing miniature optical components connected via optical waveguides on a transparent dielectric...
optical switching
Optical switching refers to the process of controlling the routing or transmission of optical signals within a network using...
blocking shaper
A convex, concave or flat cast iron form that is used to shape a soft mold block of optical components.
germanium crystal
Germanium crystal refers to a crystalline form of the element germanium (Ge), which is a metalloid and semiconductor...
Mach-Zehnder interferometer
A Mach-Zehnder interferometer is an optical device used to measure the phase difference between two collimated beams of...
diffuser
An optical diffuser is an optical component or material designed to scatter or diffuse light that passes through it. It is...
lateral shearing interferometer
A lateral shearing interferometer is an optical device used in interferometry to measure phase differences between two beams...
thermal lensing
Distortion of an optical component as a result of heat, which can influence the divergence and the mode quality of a beam...
photonic integrated circuit
A photonic integrated circuit (PIC) is a compact and integrated device that incorporates multiple photonic components and...
optical glass
Optical glass refers to a type of glass specifically engineered and manufactured for use in optical components and systems,...
passive optical component
A device that responds to incident light but does not generate light.
nanopositioning
Nanopositioning refers to the precise and controlled movement or manipulation of objects or components at the nanometer...
azimuthal polarization
Azimuthal polarization refers to a specific polarization state of light where the electric field vector of the...
optical coatings
Optical coatings are thin layers of materials applied to optical components, such as lenses, mirrors, filters, and prisms,...
cylindrical lens
A cylindrical lens is an optical component that has different curvatures along its two orthogonal axes, resulting in a shape...
diamond-turned optic
Diamond turning refers to a precision machining process used to produce complex optical components, particularly lenses and...
optical component
One or more optical elements – typically cemented together - in an optical system that are treated as a single group;...
light-beating spectroscopy
The spectroscopic analysis of optical line shapes and frequency shifts, using the technique of light beating; i.e., the...
microring resonator
A microring resonator is a compact optical device that utilizes the resonant behavior of light within a small ring-shaped...
laser oscillator
Contains the light or beam path within a laser device. The oscillator uses reflective optical components that are oriented...
optical cements and adhesive
Optical cements and adhesives are specialized materials used in the assembly and bonding of optical components in optical...
germanate glass
A type of glass used in near-infrared optical components, in which germanium is used as a cation instead of silicon.
autocollimator
An autocollimator is an optical instrument used for measuring small angular deviations with high precision. It operates on...
optical manufacturing tools and machinery
Optical manufacturing tools and machinery encompass a wide range of equipment, instruments, and systems used in the...
near-infrared camera
A near-infrared (NIR) camera is an imaging device designed to capture images in the near-infrared region of the...
holographic grating
A holographic grating is a type of diffraction grating that is produced using holographic recording techniques. It consists...
plasmonics
Plasmonics is a field of science and technology that focuses on the interaction between electromagnetic radiation and free...
dichroic coating
A dichroic coating, also known as a dichroic filter or dichroic mirror, is an optical coating designed to selectively...
electro-optic modulator
An electro-optic modulator (EOM) is a device used to modulate the amplitude, phase, or polarization of light waves using an...
photoelectric mixing
Also known as light beating. The mixing of two narrowband optical components to produce an AC component in the photocurrent...
optical table
An optical table, also known as an optical bench or an optical breadboard, is a specialized platform used in optics...
linear receive optics
Linear receive optics typically refers to the optical components and systems used in the reception (detection) of linearly...
custom optic
A custom optic refers to an optical component that is designed, manufactured, and tailored to meet specific requirements or...
jig allowance
Also called coating jig allowance. That margin on an optical component that is outside the clear aperture for use in holding...
micro-optics
Micro-optics refers to the design, fabrication, and application of optical components and systems at a microscale level....
motion controller
In optics, a motion controller refers to a device or system that precisely controls the movement of optical components, such...
aspheric mirror
An aspheric mirror is an optical mirror surface that deviates from the shape of a perfect sphere, having a non-spherical...
sol-gel
A gelatinous fluid that can be used as a porous thin-film coating for optical components, including laser beam collimators,...
step index profile
A profile of an optical component, usually a fiber, in which the core is of uniform refractive index and the cladding or...
laser damage threshold
The laser damage threshold refers to the maximum level of laser intensity that a material can withstand without experiencing...
polarization dependent loss
In passive optical components, loss that varies as the polarization state of the propagating wave changes. Expressed as the...
footprint
1. The sector of the Earth's surface registered upon a remote sensing device in a satellite. 2. The amount of space occupied...
photonics
The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The...
etaloning
Etaloning is an optical phenomenon that occurs in imaging systems, particularly in devices such as spectrometers,...
sapphire
Sapphire can refer to either a gemstone or a specific type of crystalline material commonly used in various industrial...
laser optics
Laser optics refers to a broad category of optical components and systems designed for manipulating and controlling laser...
multi-axis alignment
Multi-axis alignment refers to the process of aligning or adjusting components or systems in multiple spatial dimensions or...
Fizeau interferometer
A type of interferometer noted for producing narrow multiple-beam interference fringes. As a result, when compared with the...
metasurfaces
Metasurfaces are two-dimensional arrays of subwavelength-scale artificial structures, often referred to as meta-atoms or...
whispering gallery mode
Whispering gallery mode (WGM) refers to a phenomenon in wave physics, particularly in optics, where waves, such as light or...
V-groove
A V-shaped channel pressed or etched into a substrate, in which, for example, optical fibers may be placed to create an...
styrene acrylonitrile
A copolymer of styrene and acrylic used in molded optical components; it has a high refractive index and a low coefficient...
cyanocrylate cement
Adhering material used to glue optical components that transmit in the infrared. It is easily dissolved by acetone.
optical coherence tomography imaging system
Optical coherence tomography (OCT) is an imaging technique used in medical diagnostics and biomedical research to obtain...
planform bonding
A manufacturing process used to construct substrates for large optical components. Used with IR materials, planform bonding...

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