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High efficiency homogeneous polarization converter

  • US 6,081,378 A
  • Filed: 07/23/1998
  • Issued: 06/27/2000
  • Est. Priority Date: 04/24/1995
  • Status: Expired due to Term
First Claim
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1. A system for polarizing an incident light beam having a first component with a first plane of polarization and a second component with a second plane of polarization orthogonal to the first plane, comprising:

  • concentrating means for concentrating the incident light beam;

    collimating means parallel to the concentrating means for collimating the concentrated light beam;

    polarization means parallel to the concentrating means for refracting the first component and reflecting the second component; and

    orienting means parallel to the concentrating means for orienting the polarization of the second component to that of the first component;

    wherein the concentrating means includes a first lens array defining a plane oriented perpendicular to the incident light beam with lenses adjacently disposed in a row for dividing the incident light beam into a plurality of light beams.

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