Definition of diffraction grating in English:

diffraction grating

Line breaks: dif|frac¦tion grat¦ing


  • A plate of glass or metal ruled with very close parallel lines, producing a spectrum by diffraction and interference of light.
    More example sentences
    • In our fluorimeter, monochromatic light is produced by passing white light through a diffraction grating.
    • In a mechanically tuned laser, the wavelength is adjusted by physically moving a diffraction grating or a reflective mirror, and this method also provides a precise and continuous tuning curve.
    • Last was the invention of the diffraction grating for use in analyzing spectra from astronomical bodies.

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