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optical components Dictionary Terms

prelasing
When uncontrolled laser energy leaks from a laser cavity prematurely, it causes serious damage to optical components and significant downtime for repair.
liquid coating
A self-healing, index-matching, nonporous coating for optical components that can eliminate production difficulties and...
styrene acrylonitrile
A copolymer of styrene and acrylic used in molded optical components; it has a high refractive index and a low coefficient...
modulation transfer function analysis/measurement equipment
MTF analysis/measurement equipment refers to instruments and tools used to measure and analyze the modulation transfer...
replicated optics
Optical components, usually reflectors, produced using proprietary techniques that transfer the precision of a master to a...
lateral shearing interferometer
A lateral shearing interferometer is an optical device used in interferometry to measure phase differences between two beams...
integrated photonics
Integrated photonics is a field of study and technology that involves the integration of optical components, such as lasers,...
photonics
The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The...
micro-optics
Micro-optics refers to the design, fabrication, and application of optical components and systems at a microscale level....
polarization dependent loss
In passive optical components, loss that varies as the polarization state of the propagating wave changes. Expressed as the...
linear optics
Linear optics refers to the study and manipulation of light in a linear and deterministic manner, where the response of...
micro-ring resonator
A micro-ring resonator is a compact optical device that utilizes the resonant behavior of light within a small ring-shaped...
scattered light filter
A specific type of filter designed to reduce the amount of light scattered by reflections from the edges of optical...
aspheric mirror
An aspheric mirror is an optical mirror surface that deviates from the shape of a perfect sphere, having a non-spherical...
metasurfaces
Metasurfaces are two-dimensional arrays of subwavelength-scale artificial structures, often referred to as meta-atoms or...
diamondlike carbon film
A very hard, highly transparent coating based on forms of carbon, used to protect optical components from abrasion and...
Fizeau interferometer
A type of interferometer noted for producing narrow multiple-beam interference fringes. As a result, when compared with the...
diamond-turned optic
Diamond turning refers to a precision machining process used to produce complex optical components, particularly lenses and...
lens mount
The metal tube that maintains the optical components of a lens in proper relationship. Some lenses are mounted in metal...
germanium crystal
Germanium crystal refers to a crystalline form of the element germanium (Ge), which is a metalloid and semiconductor...
laser drift
Laser drift typically refers to a phenomenon where the frequency or wavelength of a laser source gradually changes over...
photonic crystals
Photonic crystals are artificial structures or materials designed to manipulate and control the flow of light in a manner...
optical design and engineering services
Optical design and engineering services involve the development, customization, and optimization of optical systems and...
freeform optics
Freeform optics refers to the design and fabrication of optical surfaces that do not follow traditional symmetric shapes,...
compression molding
A method of producing large volumes of plastic optical components in which powdered or sheet plastic is pressed between...
optical manufacturing tools and machinery
Optical manufacturing tools and machinery encompass a wide range of equipment, instruments, and systems used in the...
optical glass
Optical glass refers to a type of glass specifically engineered and manufactured for use in optical components and systems,...
laser damage threshold
The laser damage threshold refers to the maximum level of laser intensity that a material can withstand without experiencing...
light-beating spectroscopy
The spectroscopic analysis of optical line shapes and frequency shifts, using the technique of light beating; i.e., the...
blocking shaper
A convex, concave or flat cast iron form that is used to shape a soft mold block of optical components.
dichroic coating
A dichroic coating, also known as a dichroic filter or dichroic mirror, is an optical coating designed to selectively...
etaloning
Etaloning is an optical phenomenon that occurs in imaging systems, particularly in devices such as spectrometers,...
multi-axis alignment
Multi-axis alignment refers to the process of aligning or adjusting components or systems in multiple spatial dimensions or...
beam expander
A system of optical components designed to increase the diameter of a radiation beam. Usually an afocal system.
off-axis paraboloid and ellipsoid mirror
Off-axis paraboloid and ellipsoid mirrors are specialized optical components used in various optical systems, particularly...
sol-gel
A gelatinous fluid that can be used as a porous thin-film coating for optical components, including laser beam collimators,...
massive optics
Optical components exceeding 24 in. in diameter. The components are usually glass, acrylic or polystyrene and are used for...
optical testing instrument
An optical testing instrument is a device or system used to evaluate and measure the performance, quality, and...
beam matrix
1. A geometrical arrangement of two or more light beams for use in laser shows, object detection or other applications...
magnetorheological finishing
Magnetorheological finishing (MRF) is a precision optics polishing technique used for shaping and finishing optical surfaces...
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...
optical testing
Refers to a variety of methods and tools used to determine the surface contour and performance of optical components and...
polystyrene
A plastic used in molded optical components. Styrene elements can be combined with acrylic elements to produce achromatic...
laser oscillator
Contains the light or beam path within a laser device. The oscillator uses reflective optical components that are oriented...
nanophotonics
Nanophotonics is a branch of science and technology that explores the behavior of light on the nanometer scale, typically at...
linear receive optics
Linear receive optics typically refers to the optical components and systems used in the reception (detection) of linearly...
motion controller
In optics, a motion controller refers to a device or system that precisely controls the movement of optical components, such...
plastic optics
Plastic optics refers to optical components or systems that are made from transparent plastic materials, as opposed to...
optical cements and adhesive
Optical cements and adhesives are specialized materials used in the assembly and bonding of optical components in optical...
Mach-Zehnder interferometer
A Mach-Zehnder interferometer is an optical device used to measure the phase difference between two collimated beams of...
nanopositioning
Nanopositioning refers to the precise and controlled movement or manipulation of objects or components at the nanometer...
vapor degreasing
A method of cleaning and drying coated optical components. The cooled parts are placed in a container above a boiling...
optical noise
Optical noise refers to undesirable fluctuations or disturbances in an optical signal that can affect the quality or...
optical table
An optical table, also known as an optical bench or an optical breadboard, is a specialized platform used in optics...
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...
integrated optics
A thin-film device containing miniature optical components connected via optical waveguides on a transparent dielectric...
isolator
In the context of electronics and optics, an isolator refers to a device that allows the transmission of signals in one...
mounting cement
An adhesive used to hold optical components in their mounts. It may be a thermoplastic or chemical-hardening substance.
phase contrast microscopy
Phase contrast microscopy is an optical microscopy technique that enhances the contrast of transparent and colorless...
plasmonics
Plasmonics is a field of science and technology that focuses on the interaction between electromagnetic radiation and free...
infrared optic
Infrared optics refer to optical components and systems designed to manipulate and control infrared (IR) light, which lies...
whispering gallery mode
Whispering gallery mode (WGM) refers to a phenomenon in wave physics, particularly in optics, where waves, such as light or...
electro-optic modulator
An electro-optic modulator (EOM) is a device used to modulate the amplitude, phase, or polarization of light waves using an...
slicing and cutting machines - for crystals, quartz, glass, etc.
A crystal, glass, or quartz slicing and cutting machine is a specialized piece of equipment used in the manufacturing...
sapphire crystal
Sapphire crystal refers to a transparent, single-crystal form of aluminum oxide (Al2O3) known as corundum. It is one of the...
photoelectric mixing
Also known as light beating. The mixing of two narrowband optical components to produce an AC component in the photocurrent...
photonic integrated circuit
A photonic integrated circuit (PIC) is a compact and integrated device that incorporates multiple photonic components and...
optical phase distortion
Optical phase distortion refers to a phenomenon where the phase of an optical wavefront is altered as it propagates through...
autocollimator
An autocollimator is an optical instrument used for measuring small angular deviations with high precision. It operates on...
fused quartz and silica
Fused quartz and silica are closely related materials, both composed primarily of silicon dioxide (SiO2), but they are...
planform bonding
A manufacturing process used to construct substrates for large optical components. Used with IR materials, planform bonding...
diamond turning
Diamond turning, also known as diamond machining or diamond cutting, is a precision machining process used to produce...
germanate glass
A type of glass used in near-infrared optical components, in which germanium is used as a cation instead of silicon.
freeform mirrors
Freeform mirrors refer to reflective optical components that deviate from traditional symmetric or rotationally symmetric...
optical artifacts
Optical artifacts refer to undesired or unintended effects that can occur in optical systems, such as microscopes, cameras,...
MEMS fiber optic switch
A MEMS fiber optic switch is a microelectromechanical system (MEMS) device designed to selectively route optical signals...
optical assembly
An optical assembly refers to a collection of optical components that are carefully arranged and aligned to perform a...
optical Fourier transform
The optical Fourier transform is a mathematical operation applied to optical signals that involves transforming a spatial...
azimuthal polarization
Azimuthal polarization refers to a specific polarization state of light where the electric field vector of the...
paraffin oil
A saturated compound of carbon and hydrogen used as a liquid coating material for optical components in high-power laser...
terahertz spectrometer
A terahertz spectrometer is a scientific instrument used to measure and analyze the properties of materials in the terahertz...
laser optics
Laser optics refers to a broad category of optical components and systems designed for manipulating and controlling laser...
YAG crystal
A YAG crystal refers to a solid-state crystal made of yttrium aluminum garnet (YAG), which is a synthetic crystalline...
optical switching
Optical switching refers to the process of controlling the routing or transmission of optical signals within a network using...
optical materials
Optical materials refer to substances or compounds specifically chosen for their optical properties and used in the...
astronomical telescope
An astronomical telescope is a type of optical instrument designed to gather and magnify light from distant celestial...
sapphire
Sapphire refers to a crystalline form of aluminum oxide (Al2O3) that is used in various optical and photonic applications...
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...
optical coatings
Optical coatings are thin layers of materials applied to optical components, such as lenses, mirrors, filters, and prisms,...

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