All-Fiber-Optic Gyroscope With Linear Scale Factor Using Phase Detection

B. Y. Kim; H. J. Shaw

doi:10.1117/12.942681

17 September 1984 All-Fiber-Optic Gyroscope With Linear Scale Factor Using Phase Detection

B. Y. Kim, H. J. Shaw

Proceedings Volume 0478, Fiber Optic and Laser Sensors II; (1984) https://doi.org/10.1117/12.942681
Event: 1984 Technical Symposium East, 1984, Arlington, United States

Abstract

Direct measurement of Sagnac phase shift from an open-loop, all-fiber-optic gyroscope using signal processing is described. The photodetector output from a phase modulated gyro is amplitude modulated at the phase modulation frequency to transpose the optical phase shift into a low frequency electronic phase shift, which is measured using a digital time interval counter. A wide dynamic range and linear scale factor are demonstrated using this approach.

Citation Download Citation

B. Y. Kim and H. J. Shaw "All-Fiber-Optic Gyroscope With Linear Scale Factor Using Phase Detection", Proc. SPIE 0478, Fiber Optic and Laser Sensors II, (17 September 1984); https://doi.org/10.1117/12.942681

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