Ring laser gyroscope with doppler mirrors and offset actuators

Details Ring laser gyroscope with doppler mirrors and offset actuators Ring laser gyroscope with doppler mirrors and offset actuators

Filed on

1981-06-08

Date issued

1983-10-18

Examiner

McGraw, Vincent P.

Patent Class

Optics: measuring and testing

SubClass

By dispersed light spectroscopy

SubSubClass

Utilizing a spectrometer

Other Related Categories

372 94, G01C 1964

Type

Patent

Status

active

Patent number

044102747

Description

ABSTRACT:
An equilateral triangular ring laser gyroscope contains drivers to vibrate two of the mirrors synchronously and oppositely along paths displaced by about 4.27.degree. from the bisector of the vertex angles at which those mirrors are located. The magnitude of displacement is about 0.761 .lambda., where .lambda. is the wavelength of laser radiation. The purpose of the vibration is to reduce the lock-in effect in the ring laser gyroscope.

REFERENCES:
patent: 4281930 (1981-08-01), Hutchings

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