Optical switching device
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United States of America Patent
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-
Nov 15, 1988
Grant Date -
N/A
app pub date -
Nov 5, 1985
filing date -
Nov 5, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An optical switching device includes first and second polarization changing cells, the polarization changing cells utilize twisted nematic liquid crystal material to effect the change of polarization. The resultant device exhibits reduced cross talk between the output ports thereof and requires less voltage to effect the switching of the output beam therebetween.
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