Fiber optic gyroscope for automobiles utilizing integrated optical gyrochip and elliptical core polarization maintaining optical fiber

Toshiya Yuhara; Tatsuya Kumagai; Hisao Iizuka; Hiroshi Kajioka; Naoyuki Mekada

doi:10.1117/12.169907

9 March 1994 Fiber optic gyroscope for automobiles utilizing integrated optical gyrochip and elliptical core polarization-maintaining optical fiber

Toshiya Yuhara, Tatsuya Kumagai, Hisao Iizuka, Hiroshi Kajioka, Naoyuki Mekada

Author Affiliations +

Proceedings Volume 2070, Fiber Optic and Laser Sensors XI; (1994) https://doi.org/10.1117/12.169907
Event: Optical Tools for Manufacturing and Advanced Automation, 1993, Boston, MA, United States

Abstract

We have investigated fiber optic gyroscopes that use phase-modulation signal processing for use in automobiles. These gyroscopes use an integrated optical gyrochip and low-cost elliptical-core polarization-maintaining optical fiber. Fiber-to-fiber insertion loss deviation is less than +/- 0.4 dB at a wavelength of 0.83 micrometers over a temperature range of -30 to +80 degree(s)C, while the core dimensions of pigtailed fiber are as small as 4 X 1 micrometers ². A gyroscope was developed for navigation systems and on board testing is now being performed. A gyroscope for chassis control systems is also being developed.

Citation Download Citation

Toshiya Yuhara, Tatsuya Kumagai, Hisao Iizuka, Hiroshi Kajioka, and Naoyuki Mekada "Fiber optic gyroscope for automobiles utilizing integrated optical gyrochip and elliptical core polarization-maintaining optical fiber", Proc. SPIE 2070, Fiber Optic and Laser Sensors XI, (9 March 1994); https://doi.org/10.1117/12.169907

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