Multimode optical fiber gyro with a double phase conjugate mirror
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United States of America Patent
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Apr 27, 1999
Grant Date -
N/A
app pub date -
Oct 17, 1997
filing date -
Oct 21, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A gyro of the type having a multimode optical fiber loop in which light propagates in both directions before being recombined, together with a device constituting a phase conjugate 'mirror', wherein the device is a double phase conjugate 'mirror' and is disposed in the loop so that the light reaches said device from both sides thereof, with the incident light at each side of the device serving as a pumping wave for phase conjugation of the incident wave arriving at the other side of the device.
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