Method and system for minimizing angular random walk or bias in

Details Method and system for minimizing angular random walk or bias in Method and system for minimizing angular random walk or bias in

1993-08-31

1995-03-21

Turner, Samuel A.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

372 94, G01C 1966

Patent

active

054001412

ABSTRACT:
A system and method is provided which minimizes angular random walk or bias occurring in ring laser gyroscopes as a result of temperature changes. Temperature is known to affect components in a ring laser gyroscope in a manner which increases angular random walk or bias. By detecting temperature and causing movable path length transducers to move mirrors in the gyroscope into a position previously determined for a given temperature, angular random walk or bias is minimized for the given temperature.

REFERENCES:
patent: 4152071 (1979-05-01), Podgorski
patent: 4267478 (1981-05-01), Ljung et al.
patent: 4740083 (1988-04-01), Curby et al.

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