Fiber Optic Laser Gyro Signal Detection And Processing Technique

J. M. Martin; J. T. Winkler

doi:10.1117/12.956249

13 July 1978 Fiber Optic Laser Gyro Signal Detection And Processing Technique

J. M. Martin, J. T. Winkler

Proceedings Volume 0139, Guided Wave Optical Systems and Devices I; (1978) https://doi.org/10.1117/12.956249
Event: 1978 Technical Symposium East, 1978, Washington, D.C., United States

Abstract

A technique using an electro-optic phase modulator has been developed to add a ±90 degree phase shift to the Sagnac interferometer gyro. The introduction of the phase shift produces maximum sensitivity at low angular rates. The modulated output of the gyro is detected and processed by a single channel ac coupled sample and hold amplifier. The amplifier output is normalized to compensate for laser output and preamplifier gain drift.

Citation Download Citation

J. M. Martin and J. T. Winkler "Fiber Optic Laser Gyro Signal Detection And Processing Technique", Proc. SPIE 0139, Guided Wave Optical Systems and Devices I, (13 July 1978); https://doi.org/10.1117/12.956249

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