diffraction pattern

British  

noun

1. physics the distinctive pattern of light and dark fringes, rings, etc, formed by diffraction

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diffraction pattern Scientific  

1. The interference pattern that results when a wave or a series of waves undergoes diffraction, as when passed through a diffraction grating or the lattices of a crystal. The pattern provides information about the frequency of the wave and the structure of the material causing the diffraction.

2. See also interferometer

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