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Proceedings Paper

Fiber optic gyroscope for automobiles utilizing integrated optical gyrochip and elliptical core polarization maintaining optical fiber
Author(s): Toshiya Yuhara; Tatsuya Kumagai; Hisao Iizuka; Hiroshi Kajioka; Naoyuki Mekada
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Paper 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.

Paper Details

Date Published: 9 March 1994
PDF: 9 pages
Proc. SPIE 2070, Fiber Optic and Laser Sensors XI, (9 March 1994); doi: 10.1117/12.169907
Show Author Affiliations
Toshiya Yuhara, Hitachi Cable, Ltd. (Japan)
Tatsuya Kumagai, Hitachi Cable, Ltd. (Japan)
Hisao Iizuka, Hitachi Cable, Ltd. (Japan)
Hiroshi Kajioka, Hitachi Cable, Ltd. (Japan)
Naoyuki Mekada, Santec Corp. (Japan)

Published in SPIE Proceedings Vol. 2070:
Fiber Optic and Laser Sensors XI
Ramon P. DePaula, Editor(s)

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