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LIQUID CRYSTAL POLARIZATION ROTATOR AND METHOD OF USING SAME

  • US 20050044742A1
  • Filed: 08/29/2003
  • Published: 03/03/2005
  • Est. Priority Date: 08/29/2003
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • a wave plate having oppositely positioned first and second faces forming a cavity;

    a nematic liquid crystal material being disposed between said oppositely positioned cavity faces; and

    a first plurality of electrodes located relative to at least said first face of said cavity, wherein said first plurality of electrodes is configured to apply an electric field having a first component parallel to said first face, said first plurality of electrodes being able to rotate an orientation of said first electric field component and, hence, molecules of said liquid crystal material, by a plurality of angles.

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