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Polarization beam splitter and combiner

  • US 20070115552A1
  • Filed: 08/30/2006
  • Published: 05/24/2007
  • Est. Priority Date: 09/02/2005
  • Status: Abandoned Application
First Claim
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1. A polarization beam splitter comprising:

  • a first prism including a first surface on which light is incident and a second surface that makes an acute angle with the first surface;

    a second prism disposed so as to face the second surface of the first prism;

    a multilayer birefringent stack adjacent to the second surface of the first prism; and

    a dichroic coating between the multilayer birefringent stack and the second prism.

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