Faraday magnet for the reduction of multi-oscillator bias therma

Details Faraday magnet for the reduction of multi-oscillator bias therma Faraday magnet for the reduction of multi-oscillator bias therma

1988-06-06

1990-11-13

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

372 94, G01C 1964

Patent

active

049697439

ABSTRACT:
Disclosed herein is a ring laser gyroscope having a non-reciprocal polarization rotation device such as a Faraday rotator configured to provide, through use of a Faraday magnet, a relatively uniform magnetic field across the profile of the Faraday rotator. By providing a uniform magnetic field across the diameter of the Faraday rotator, the magnetic lensing effects are reduced and the thermal sensitivity of the gyroscope's bias is substantially reduced.

REFERENCES:
patent: 4470701 (1984-09-01), Smith
patent: 4548501 (1985-10-01), Smith et al.

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