Liquid crystal-based electro-optical device forming, in particular, a switch
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United States of America Patent
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Oct 25, 2005
Grant Date -
Oct 14, 2004
app pub date -
Jun 13, 2002
filing date -
Jun 15, 2001
priority date (Note) -
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Abstract
The present invention provides an electro-optical device, characterized in that it comprises two plane optical substrates (100) each having at least one optical waveguide (110), and a nematic liquid crystal (200) inserted between them, in which the liquid crystal (200) is split into two separate active zones (210, 220) serving to control coupling/decoupling of a respective one of the TE and TM polarizations of a light signal injected into the waveguides (110).
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