Optical switch
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United States of America Patent
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Jun 7, 1994
Grant Date -
N/A
app pub date -
May 18, 1992
filing date -
May 23, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optical switch has a substrate and a transparent material in which a three-dimensional diffraction pattern is recorded which is capable of diffracting light, the material having non-linear optical properties and extending in the form of a first layer above the substrate. At least one first electrode and at least one second electrode are provided for varying the diffraction pattern in accordance with applied voltages.
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