grating instrument

См. также в других словарях:

• diffraction grating — Physics. 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 grating. [1865 70] * * * ▪ optics… …   Universalium

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• Spectrometer — This article is about Spectrometers. For the spectral density measuring instrument, see Spectrogram. Grating spectrometer schematic A spectrometer (spectrophotometer, spectrograph or spectroscope) is an instrument used to measure properties of… …   Wikipedia