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Alluxa - Optical Coatings LB 8/23
PRODUCTS_Materials, Chemicals, Coatings Dictionary Terms

laser cavity
A laser cavity, also known as an optical cavity or resonator, is a fundamental component of a laser system. It is a confined...
ion-assisted deposition
A technique for improving the structure density of thin-film coatings by bombarding the growing film with accelerated ions...
interstitial absorbing coating
An absorbing coating medium between fibers, used in some fused fiber optic plates to absorb unwanted light. Such coatings...
photochemical
The term photochemical pertains to chemical processes or reactions that are initiated or influenced by the absorption of...
corner cube
A corner cube, also known as a corner reflector or retroreflector prism, is a type of optical device used to reflect light...
etaloning
Etaloning is an optical phenomenon that occurs in imaging systems, particularly in devices such as spectrometers,...
structural color
Structural color refers to coloration in materials that is not caused by pigments or dyes but is instead a result of the...
narcissus
A defect in infrared systems that appears as a dark circular area on a displayed image, caused by radiation reflecting into...
Photoelastic equipment and supplies
Photoelastic equipment and supplies refer to instruments and materials used in photoelasticity, a technique used to analyze...
optical cements and adhesive
Optical cements and adhesives are specialized materials used in the assembly and bonding of optical components in optical...
multilayer coating
A coating made up of many layers of material having alternating high and low refractive index. In this way, it is possible...
pyrolysis
A process that employs heat to remove polyimide plastic coatings from silica optical fibers and capillary tubing.
remote active spectrometer
A device employed to identify toxic agents lingering on the ground or in the air from up to three miles away, by using laser...
optical testing instrument
An optical testing instrument is a device or system used to evaluate and measure the performance, quality, and...
stoichiometry
The determination of what, how much and in what proportions chemicals must be combined to produce the desired reactions and...
chemical vapor deposition equipment
Chemical vapor deposition (CVD) equipment refers to a class of specialized apparatus used in the process of chemical vapor...
dichroic mirror
A dichroic mirror, also known as a dichroic beamsplitter or interference filter beamsplitter, is an optical device that...
laser damage threshold
The laser damage threshold refers to the maximum level of laser intensity that a material can withstand without experiencing...
microdensitometer
The fundamental tool of microdensitometry, the microdensitometer is an instrument used for the precise measurement of...
curing
The use of chemicals or radiation to induce a desired change in a substance; e.g., some optical adhesives are set by...
dielectric coating
A high-reflectance coating consisting of alternating layers of quarter-wave film of a higher refractive index and lower...
ultraviolet reflectance
Ultraviolet reflectance refers to the ability of a material or surface to reflect UV light. Ultraviolet light is...
dewetting
Dewetting is a phenomenon in materials science and physics where a thin film or coating spontaneously undergoes a process of...
dichroic coating
A dichroic coating, also known as a dichroic filter or dichroic mirror, is an optical coating designed to selectively...
neutral density coating
A coating applied to a neutral density glass that is designed to reduce the amount of light evenly across the transmitted...
lens blank
A lens blank is a piece of optical material in a raw, unfinished state, typically in the form of a disk or block, from which...
attenuated total reflectance spectroscopy
Attenuated total reflectance (ATR) spectroscopy is a technique used in analytical chemistry to obtain IR spectra of samples....
sputtering target
A sputtering target is a solid material used in the process of physical vapor deposition (PVD), specifically sputtering....
flow chemistry
Flow chemistry, also known as continuous-flow chemistry, is a chemical manufacturing process where reactions take place in a...
antireflection coating
An antireflection coating (AR coating) is a thin film or coating applied to optical surfaces, such as lenses or windows, to...
optical materials
Optical materials refer to substances or compounds specifically chosen for their optical properties and used in the...
graphene
Graphene is a two-dimensional allotrope of carbon consisting of a single layer of carbon atoms arranged in a hexagonal...
optical coatings
Optical coatings are thin layers of materials applied to optical components, such as lenses, mirrors, filters, and prisms,...
long-pass filter
A long-pass filter is an optical filter that allows longer wavelengths of light to pass through while blocking or...
plasmon ion-assisted deposition
Plasmon ion-assisted deposition (PIAD) is a technique used in thin-film deposition processes, particularly in the production...
substrate
A substrate refers to a material or surface upon which another material or process is applied or deposited. In various...
reactive evaporation
Reactive evaporation refers to a process in thin-film deposition where a material is deposited onto a substrate through...
ion-beam sputtering
Ion-beam sputtering (IBS) is a physical vapor deposition (PVD) technique used for depositing thin films onto substrates. It...
refractive index liquids
A closely spaced series of well-known chemicals having a refractive index lying between 1.33 for water and 1.95 for a...
sputtering equipment
Sputtering equipment is machinery used in the process of physical vapor deposition (PVD), specifically sputtering....
infrared lens
An infrared lens is an optical component specifically designed and optimized for transmitting, focusing, or manipulating...
ultraviolet fiber optics
Ultraviolet (UV) fiber optics refers to optical fibers that are designed and optimized for the transmission of ultraviolet...
phototoxicity
Phototoxicity refers to the harmful effects caused by exposure to light, particularly intense or ultraviolet (UV) light, on...
oleophobic
Oleophobic is a term used to describe substances or materials that repel or resist oils. The word oleophobic comes from the...
simultaneous exposure and development
The process, used with a positive photoresist, in which the photoresist is immersed in developing chemicals while being...
calcium tungstate
White, tetragonal crystals used in the production of luminous coatings.
thin-film coating
Thin-film coatings are layers of material applied to the surface of an object or substrate, typically to modify its optical,...
broadband dielectric mirrors
Broadband dielectric mirrors, also known as broadband mirrors, are optical coatings designed to efficiently reflect or...
halide
In chemistry, a halide refers to a chemical compound containing one or more halogen atoms bonded to another element. The...
laser reflow soldering
Use of a laser to solder joints by melting the solder coatings on the mating components.
sapphire optical fiber
Sapphire optical fiber is a type of optical fiber made from single-crystal sapphire, which is a form of aluminum oxide...
optical filter
An optical filter is a device that selectively transmits or blocks specific wavelengths, or colors, of light. Optical...
optical ceramics
Transparent glassy and or crystalline structured materials engineered from inorganic, non-metallic materials via various...
Fresnel reflection
Fresnel reflection refers to the reflection of light at the interface between two different media with different refractive...
optical manufacturing tools and machinery
Optical manufacturing tools and machinery encompass a wide range of equipment, instruments, and systems used in the...
spatter
Of evaporative coatings, a condition resulting when small chunks of material fly from the hot crucible onto the substrate...
machine vision lens
A machine vision lens is a specialized optical lens designed for use in machine vision systems, which are used for automated...
mirror coating
One or more thin-film layers of optical material deposited on a mirror blank/substrate in order to enhance the way that...
sapphire window
A sapphire window refers to a transparent optical component made from sapphire crystal. Sapphire is a single-crystal form of...
laser optics
Laser optics refers to a broad category of optical components and systems designed for manipulating and controlling laser...
coated optics
Optical elements that have been coated with one or more layers of dielectric, or metallic material. These coatings serve to...
fluoro-immunosensor
A fiber optic device that uses a HeNe laser, beamsplitter, monochromator and photomultiplier to detect trace levels of...
telescope lens
A telescope lens is a primary optical component of a telescope system that gathers and focuses light to form an image. It is...
cold coating
A method of applying antireflection coatings to optics that avoids the elevated temperatures normally used. A cold coating...
fluorescent screen
A fluorescent screen refers to a phosphorescent or fluorescent-coated surface that emits visible light when exposed to other...
soft coating
A term describing an antireflection coating that may be applied to optics that cannot tolerate the high temperatures usually...
optical glass
Optical glass refers to a type of glass specifically engineered and manufactured for use in optical components and systems,...
silicon carbide light-emitting diodes
Silicon carbide (SiC) light-emitting diodes (LEDs) are semiconductor devices that emit light when an electric current is...

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