单词	diffraction grating
释义	diffraction grating noun : grating sense 3 Example Sentences Recent Examples on the Web The arrangement splits and diffracts light into several beams in different directions in an optical concept known as diffraction grating. Elizabeth Gamillo, Smithsonian Magazine, 9 Dec. 2021 The basic idea is to pass the light through a diffraction grating—a bunch of very tiny parallel slits. Rhett Allain, Wired, 8 Oct. 2021 The beam was split because of the glass slide, a diffraction grating with thousands of tiny slits etched into it. Brittany Trang, Milwaukee Journal Sentinel, 15 June 2021 The colors are from the chocolate (not any ingredient or coating) diffracting light after being forcefully molded onto a diffraction grating in vacuum. Nora Mcgreevy, Smithsonian Magazine, 27 May 2020 Word History First Known Use 1857, in the meaning defined above Medical Definition diffraction grating noun : grating
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