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Liquid crystal adaptive coupler for steering a light beam relative to a light-receiving end of an optical waveguide

  • US 20040067013A1
  • Filed: 10/08/2002
  • Published: 04/08/2004
  • Est. Priority Date: 10/08/2002
  • Status: Active Grant
First Claim
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1. An apparatus for optically coupling a light source with a light-receiving end face of an output optical waveguide along an optical path, the apparatus comprising:

  • a lens positioned in the optical path for focusing a light beam emitted from the light source at a focal point on the light-receiving end face of the output optical waveguide; and

    an adaptive coupler positioned in the optical path, the adaptive coupler being responsive to a beam steering control signal for steering the focal point relative to the light-receiving end face of the output optical waveguide to align the focal point with said light-receiving end face.

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