Bragg-grating definition

A diffraction grating created within the structure of a substance, especially an optical fiber, by periodically varying the index of refraction in successive layers within the substance, causing certain frequencies of light passing through the substance to be reflected away and effectively filtered out.
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Origin of bragg-grating

  • After Sir William Henry Bragg Sir William Lawrence Bragg

    From American Heritage Dictionary of the English Language, 5th Edition