Dither compensator for ring laser gyroscope

Details Dither compensator for ring laser gyroscope Dither compensator for ring laser gyroscope

G - Physics

01

C

345/10

G01C 19/64 (2006.01) G01C 19/66 (2006.01) H01S 3/083 (2006.01)

Patent

CA 1210121

Abstract of the Disclosure 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.

447414

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