1 November 1994 Fabrication of integrated optical gyrochip pigtailed with elliptical-core polarization-maintaining optical fiber for industrial applications
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Abstract
An integrated optical gyrochip has been developed for industrial and consumer fiber-optic gyroscope applications. The gyrochip is pigtailed with low-cost elliptical-core polarization- maintaining optical fiber. An alignment technique was developed that uses image processing technology to align the polarization axis of the fiber without launching light into its core. The fiber-to-fiber insertion loss deviation of the pigtailed waveguide was less than +/- 0.8 dB at a wavelength of 0.78 micrometers over 100 temperature-change cycles, ranging from -30 to +80 degree(s)C, with a fiber mode-field size as small as 3.5 X 2.6 micrometers .
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Toshiya Yuhara, Toshiya Yuhara, Keiichi Higuchi, Keiichi Higuchi, Hiroshi Kajioka, Hiroshi Kajioka, Shigeru Oho, Shigeru Oho, Masahiro Komachiya, Masahiro Komachiya, Naoyuki Mekada, Naoyuki Mekada, } "Fabrication of integrated optical gyrochip pigtailed with elliptical-core polarization-maintaining optical fiber for industrial applications", Proc. SPIE 2292, Fiber Optic and Laser Sensors XII, (1 November 1994); doi: 10.1117/12.191835; https://doi.org/10.1117/12.191835
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