9 March 1994 Fiber optic gyroscope for automobiles utilizing integrated optical gyrochip and elliptical core polarization-maintaining optical fiber
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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.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Toshiya Yuhara, Toshiya Yuhara, Tatsuya Kumagai, Tatsuya Kumagai, Hisao Iizuka, Hisao Iizuka, Hiroshi Kajioka, Hiroshi Kajioka, Naoyuki Mekada, 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); doi: 10.1117/12.169907; https://doi.org/10.1117/12.169907
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