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diffraction grating

DEFINITIONS OF: diffraction grating

1

n 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

Synonyms:
grating
Types:
echelon
a diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offset
Type of:
optical device
a device for producing or controlling light
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