Optical fiber coupling having liquid crystal adaptive coupler
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United States of America Patent
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Aug 21, 2007
Grant Date -
Feb 24, 2005
app pub date -
Sep 23, 2004
filing date -
Oct 8, 2002
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Abstract
An optical fiber coupling, for example, an optical switch, for coupling a light source with a light-receiving end face of an optical waveguide comprises a lens for focusing a light beam emitted from the light source at a focal point on the light-receiving end face of the optical waveguide. An adaptive coupler positioned in the optical path is responsive to a beam steering control signal for steering and aligning the focal point relative to the light-receiving end face of the optical waveguide.
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