Fiber Gyroscope With Birefringence Modulation

S. L. A. Carrara; B. Y. Kim; H. J. Shaw

doi:10.1117/12.937537

11 March 1987 Fiber Gyroscope With Birefringence Modulation

S. L. A. Carrara, B. Y. Kim, H. J. Shaw

Proceedings Volume 0719, Fiber Optic Gyros: 10th Anniversary Conf; (1987) https://doi.org/10.1117/12.937537
Event: Cambridge Symposium-Fiber/LASE '86, 1986, Cambridge, MA, United States

Abstract

A theoretical analysis of the non-reciprocal phase error in a highly-birefringent fiber gyroscope is presented, characterizing the different types of errors and their sources in a general form. These error terms are due to polarization cross coupling in the fiber and in the fiber components and can be reduced by modulating the magnitude of the fiber birefringence at appropriate locations in the optical circuit and by balancing the optical power between the two polarization eigenmodes of the fiber at the input of the interferometer. Experimental results demonstrating these techniques show a 20 dB relief on the performance requirements of the polarizer usually employed for drift reduction.

Citation Download Citation

S. L. A. Carrara, B. Y. Kim, and H. J. Shaw "Fiber Gyroscope With Birefringence Modulation", Proc. SPIE 0719, Fiber Optic Gyros: 10th Anniversary Conf, (11 March 1987); https://doi.org/10.1117/12.937537

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