Laser gyro having controllable lock-in zone width

Details Laser gyro having controllable lock-in zone width Laser gyro having controllable lock-in zone width

1995-04-06

1997-02-25

Turner, Samuel A.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

G01C 1968

Patent

active

056064160

ABSTRACT:
Method and apparatus for reducing the errors due to lock-in effect of a ring laser gyro by controlling the intensity of backscattered waves. The intensity of the backscattered waves is controlled by adjusting three of the four ring laser gyro mirrors by means of piezo elements.

REFERENCES:
patent: 4410276 (1983-10-01), Ljung et al.
patent: 4526469 (1985-07-01), Egli et al.
patent: 4686683 (1987-08-01), Martin
patent: 5359413 (1994-10-01), Chang et al.
patent: 5463652 (1995-10-01), Hall

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