Miniature magneto-optic fiber optical switch
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United States of America Patent
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Sep 13, 2005
Grant Date -
Feb 24, 2005
app pub date -
Aug 22, 2003
filing date -
Aug 22, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optical switch uses a walk-off crystal together with a Wollaston prism, a Faraday rotator, and a halfwave plate pair and a single collimating lens of one multiple-fiber pigtail for both input and output optical beams. In one embodiment, an input beam enters the device through one port of a tri-fiber pigtail, and a switched beam exits the device through a second or third port of the same tri-fiber pigtail, depending on a state of the Faraday rotator. All three beams use the same pigtail and collimating lens.
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