Kerr effect compensation by optical power balancing in interfero

Details Kerr effect compensation by optical power balancing in interfero Kerr effect compensation by optical power balancing in interfero

1995-06-07

1997-05-06

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

G01C 1964

Patent

active

056276443

ABSTRACT:
An interferometric fiber optic gyroscope having an intensity servo electronics feedback loop that monitors the intensity of the counterpropagating beams relative to each other, and provides a signal to a modulator to intensity modulate at least one of the signals so as to equalize the intensities or power of the beams to virtually eliminate the Kerr effect.

REFERENCES:
patent: 4673293 (1987-06-01), Sanders
patent: 4773759 (1988-09-01), Bergh et al.
patent: 5018859 (1991-05-01), Chang et al.
patent: 5098188 (1992-03-01), Melvern
patent: 5111326 (1992-05-01), Ball
patent: 5351252 (1994-09-01), Toyama et al.
G. Sanders, "Critical review of resonator fiber optic gyroscope technology," Fiber Optic Sensors vol. CR44 SPIE Optical Engineering Press Proceedings of the Conference of SPIE, Boston, Mass. (Sep. 8-11, 1992), pp. 133-159.

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