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Different Wavelengths Dictionary Terms

axial color
A lens aberration that causes axial light rays having different wavelengths to focus at various points along the axis.
photometry
Photometry is the branch of science that deals with the measurement of light, particularly in terms of its intensity and the...
fiber optic spectrometer
A fiber optic spectrometer is a device used for measuring the spectral content of light. It utilizes optical fibers to...
dissonance
In optics, the production of maxima and minima by the superimposition of two sets of interference fringes from light of two...
diffuse reflectance spectroscopy
Diffuse reflectance spectroscopy (DRS) is a nondestructive analytical technique used to investigate the optical properties...
achromat
An achromat, in the context of optics, refers to a type of lens or lens system designed to reduce chromatic aberration....
optical grating
An optical grating, in the context of optics and physics, refers to a device with a periodic structure of closely spaced,...
optoacoustic
Optoacoustic, or photoacoustic, refers to a phenomenon and related techniques that involve the generation of acoustic waves...
dispersion
Dispersion refers to the phenomenon where different wavelengths (colors) of light travel at different speeds when passing...
spectral repeatability
Spectral repeatability refers to the consistency and reproducibility of spectral measurements across multiple trials or...
photonic integrated circuit
A photonic integrated circuit (PIC) is a compact and integrated device that incorporates multiple photonic components and...
ospin
Opsins are a group of light-sensitive proteins found primarily in the retinas of vertebrate and invertebrate eyes, as well...
medical lasers
Medical lasers are devices that produce intense beams of light with specific characteristics and properties, which are used...
infrared detector
An infrared detector is a device that is used to detect and measure infrared radiation, which lies beyond the visible...
laser optics
Laser optics refers to a broad category of optical components and systems designed for manipulating and controlling laser...
photodetector
A photodetector, also known as a photosensor or photodiode, is a device that detects and converts light into an electrical...
source correlation
The relationship between different wavelengths of light generated by a source, which may affect the spectral distribution of...
prism
A prism is a transparent optical element with flat, polished surfaces that refract light. It usually has two parallel bases,...
single-walled carbon nanotubes
Referred to as SWCNTs, these cylindrical nanostructures composed of a folded sheet of graphene can be used as near-infrared...
near-infrared spectrometer
A near-infrared (NIR) spectrometer is an analytical instrument used to measure the absorption, transmission, or reflection...
dichroic mirror
A dichroic mirror, also known as a dichroic beamsplitter or interference filter beamsplitter, is an optical device that...
iridescence
The rainbow exhibition of colors, usually caused by interference of light of different wavelengths reflected from...
spectropolarimeter
An instrument for plotting the rotatory dispersion of a substance at different wavelengths.
flow cytometry
Flow cytometry is a powerful technique used in biology and medicine for the quantitative analysis of the physical and...
reflective spectroscopy
Reflectance spectroscopy is a technique used to analyze the reflective properties of materials across various wavelengths of...
optical glass
Optical glass refers to a type of glass specifically engineered and manufactured for use in optical components and systems,...
broadband dielectric mirrors
Broadband dielectric mirrors, also known as broadband mirrors, are optical coatings designed to efficiently reflect or...
optical switching
Optical switching refers to the process of controlling the routing or transmission of optical signals within a network using...
gallium arsenide phosphide
Gallium arsenide phosphide (GaAsP) is a semiconductor alloy composed of gallium (Ga), arsenic (As), and phosphorus (P). It...
frequency summing
A technique used in holography that involves the mixing of lasers of different wavelengths to produce a beam of shorter...
quantum efficiency
Quantum efficiency (QE) is a measure of the effectiveness with which a device or system, typically in the context of...
chromatic aberration
Chromatic aberration is an optical phenomenon that occurs when different wavelengths (colors) of light are refracted by a...
spectral signature
A spectral signature, in the context of remote sensing and spectroscopy, refers to the unique pattern or characteristic...
spectroradiometer
A spectroradiometer is a device used to measure the intensity of light at different wavelengths across the electromagnetic...
spectrophotometer
A spectrophotometer is a scientific instrument used to measure the intensity of light at various wavelengths in the...
dispersion-shifted fiber
A dispersion-shifted fiber (DSF) refers to a type of optical fiber designed to minimize the effects of chromatic dispersion,...
light dispersion
The process whereby white light is separated into its component wavelengths. Light beams of different wavelengths are...
holographic grating
A holographic grating is a type of diffraction grating that is produced using holographic recording techniques. It consists...
lumen
A lumen is a unit of measurement used to quantify the amount of luminous flux, which is the perceived power of light. In...
multispectral imaging
Multispectral imaging is a technique that involves capturing and analyzing images at multiple discrete spectral bands within...
photoelectron holography
A technique proposed for studying the atomic structure of crystals by measuring the interference pattern generated when the...
radiometry
Ratiometry is a technique used in various scientific fields, particularly in analytical chemistry and biochemistry, to...

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