Ring laser gyroscope

Details Ring laser gyroscope Ring laser gyroscope

G - Physics

01

B

345/10

G01B 9/02 (2006.01) G01C 19/66 (2006.01) G01P 9/00 (2006.01)

Patent

CA 1098201

ABSTRACT OF THE INVENTION A ring laser gyroscope having a triangular block configuration and diving apparatus to dither the block about its line of symmetry. A device is further provided including an optical wedge attached to the output reflector for reducing the temperature gradient across the instrument, which effect causes output signals in the absence of an input angular rate. The optical wedge and an external output prism form an interferometer by means of which the sensitivity of the device is reduced and the interferometer signal made equal and opposite o that of the laser cavity.

297517

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