Ring laser gyroscope utilizing phase detector for minimizing beam lock-in
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United States of America Patent
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Sep 25, 1984
Grant Date -
N/A
app pub date -
Nov 12, 1981
filing date -
Nov 12, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Two of the three reflecting mirrors in a ring laser gyroscope are provided with transducers permitting the mirrors to control the ring laser gyroscope laser path. The third mirror is partially reflecting to permit some cavity radiation to exit. The radiation includes winking signal components which are related to laser beam lock-in. By controlling the phase difference between the signal components, minimum lock-in may be achieved.
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