Mirror transducer assembly for ring laser gyroscopes

Details Mirror transducer assembly for ring laser gyroscopes Mirror transducer assembly for ring laser gyroscopes

1990-04-19

1992-05-26

Turner, Samuel A.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

372107, 310332, G01C 1966

Patent

active

051161311

ABSTRACT:
Disclosed herein is a Pathlength Control Assembly for Ring Laser Gyroscope comprising, in a preferred embodiment, a mirror, coupled to a mirror housing including a mirror post, wherein the mirror is mounted on (or is an integral part of) an axially deflectable membrane of the housing. A pair of piezoelectric transducers are responsive to an electronic input signal and mounted to a backing plate. The transducers sandwich the backing plate and deform the backing plate to drive the mirror post to axially deflect said membrane. In this manner, the backing plate serves a dual function to both support the piezoelectric elements and drive the mirror post.

REFERENCES:
patent: 2037455 (1980-09-01), Ljung
patent: 4691323 (1987-09-01), Ljung
patent: 4824253 (1989-04-01), Butler
patent: 4836677 (1989-06-01), Doran et al.
patent: 4861161 (1989-08-01), Ljung
patent: 4915492 (1990-04-01), Toth
patent: 4933592 (1990-06-01), Priddy

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