In optics, a diffraction grating is an optical component with a periodic structure, which splits and diffracts light into several beams travelling in different directions. The directions of these beams depend on the spacing of the grating and the wavelength of the light so that the grating acts as the dispersive element. Because of this, gratings ...
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component of optical devices consisting of a surface ruled with close, equidistant, and parallel lines for the purpose of resolving light into ... [5 related articles]
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An optical device used to disperse light into a spectrum. It is ruled with closely-spaced, fine, parallel grooves, typically several thousand per cm, that produce interference patterns in a way that separates all the components of the incoming light. A diffraction grating can be used as the main dis...
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an array of fine, parallel, equally spaced reflecting or transmitting lines that mutually enhance the effects of diffraction to concentrate the diffracted light in a few directions determined by the spacing of the lines and the wavelength of the light
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<microscopy> An artificially produced periodic array of scattering centres capable of producing a pattern of diffracted energy, such as accurately ruled lines on a plane surface. ... (05 Aug 1998) ...
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A diffraction grating is an optical component that separates light into its constituent wavelengths. Functionally equivalent to a prism, it disperses the light into its spectrum by employing grooves to diffract the light. The angle of the diffraction is a function of the wavelength.
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Type: Term Pronunciation: di-frak′shŭn grāt′ing Definitions: 1. A variety of filter composed of lined grooves in a thin layer of aluminum-copper alloy on a glass surface; used in spectrophotometers to disperse light into a spectrum. See: monochromator
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[
n] - optical device consisting of a surface with many parallel grooves in it
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Grating device that splits light into a spectrum of the component wavelengths. See also: Diffraction.
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noun optical device consisting of a surface with many parallel grooves in it; disperses a beam of light (or other electromagnetic radiation) into its wavelengths to produce its spectrum
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Polished metallic surface (usually a metallic mirror on a block of glass or quartz) or plastic surface on which has been ruled a great number (in thousands) of thin, parallel lines with small gaps between them, used to split light to produce a spectrum. A beam of light travelling through the narrow gaps of a diffraction grating will spread out and ...
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a band of equidistant, parallel lines, usually more than 5000 per inch (2000 per centimeter), ruled on a glass or polished metal surface for diffracting light to produce optical spectra. Also called
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