Fiber-optic gyroscopes are investigated that use an integrated optical gyrochip and low-cost elliptical-core polarization-maintaining optical fiber for use in vehicles. These gyroscopes operate with phase-modulation signal-processing electronics. Fiber-to-fiber insertion loss derivation of the gyrochip is less than plus/minus 0.4 dB at a wavelength of 0.83 micron over a temperature range of -30 to +80 deg C, while the core dimensions of the pigtailed elliptical-core optical fiber are only 4x1 micron. 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.


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    Title :

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


    Additional title:

    Ein Gyroskop für Automobile mit einem integralen optischen Kreiselchip und optischer Glasfaser mit elliptischer Kernpolarisation


    Contributors:
    Yuhara, T. (author) / Kumagai, T. (author) / Iizuka, H. (author) / Kajioka, H. (author)


    Publication date :

    1993


    Size :

    9 Seiten, 6 Bilder, 1 Tabelle, 4 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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