Method and Apparatus for Manufacturing an Optical Component
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United States of America Patent
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Issued Date -
Jul 10, 2008
app pub date -
Feb 4, 2005
filing date -
Feb 5, 2004
priority date (Note) -
Abandoned
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Abstract
A method and apparatus for manufacturing an optical component having at least one photo-oriented polymeric layer is provided. The apparatus includes a single source of laser radiation, beam splitting means for splitting the laser radiation into a first beam of linearly polarized light having a first plane of polarization (P) and a second beam of linearly polarized light having a second plane of polarization (S), first directing means for directing the first beam of linearly polarized light onto a first area or areas of at least one photo-orientatable polymeric layer to cause a first molecular orientation in said first area or areas of the layer and second directing means for directing the second beam of linearly polarized light onto said photo-orientatable polymeric layer to cause a second molecular orientation in a second area or areas of the layer. The apparatus includes delay means for the second beam of linearly polarized light so that the second beam arrives at the photo-orientatable polymeric layer a predetermined delay time after the first beam of linearly polarized light.
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