Dither compensator for ring laser gyroscope
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United States of America Patent
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-
Aug 20, 1985
Grant Date -
N/A
app pub date -
Jun 8, 1983
filing date -
Jun 8, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Dither compensation in a ring laser gyroscope is effectuated by one or more retroreflective prisms or by one or more pairs of cofunctioning transparent wedges mounted to the gyroscope casing in a dither compensation plane parallel to the plane of the laser light path in the gyroscope cavity. Prisms or beam splitters reflect at least one of two counter-rotating laser beams to the dither compensation plane from the plane of the cavity. An optical sensor comprising a photodiode for detecting and analyzing the interfering laser beams can be placed in the dither compensation plane or in the plane of the gyroscope cavity.
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