Ring laser gyroscope

Details Ring laser gyroscope Ring laser gyroscope

1982-09-23

1985-08-06

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

372 94, G01C 1964

Patent

active

045332487

ABSTRACT:
A resiliently mounted ring laser gyro is dithered below its resonant frequency with a waveform differing from the sine waveform. This is achieved by a piezoelectric motor formed by several piezoelectric elements in a pile. The motor is acting tangentially on a support for the laser and the support takes the form of a strong biased torsion spring.

REFERENCES:
patent: 3373650 (1968-03-01), Killpatrick
patent: 3467472 (1969-09-01), Killpatrick
patent: 4085825 (1978-04-01), Scarborough
patent: 4436423 (1984-03-01), Kumar et al.
Aronowitz, "The Ring Laser", Laser Applications, vol. I, Academic Press, 1971, p. 163.

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