Biprism (noun) Definition, Meaning & Examples

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noun Optics.
  1. a triangular prism with an apex angle slightly less than 180°: when illuminated by a point source of light it produces two overlapping beams that form an interference pattern on a screen.
noun
  1. a prism having a highly obtuse angle to facilitate beam splitting
Biprism (noun) Definition, Meaning & Examples

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