| 单词 | diffraction grating |
| 释义 | diffraction grating (once / 319441 pages) n WORD FAMILY diffraction grating: diffraction gratings USAGE EXAMPLESThe bird's wing acts as a diffraction grating - a surface structure with a repeating pattern of ridges or slits. BBC(Nov 28, 2016) From the back of the stage, Wolff manipulated the laser, by hand, splitting the light into multiple beams using a diffraction grating. Washington Post(May 25, 2014) When a light wave passes through a series of parallel slits called a diffraction grating, it splits apart. Scientific American(Jun 05, 2013) 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 Syn|Hypo|Hyper grating echelon a diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offset optical device a device for producing or controlling light |
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