Fabrication of integrated optical gyrochip pigtailed with elliptical-core polarization-maintaining optical fiber for industrial applications

Toshiya Yuhara; Keiichi Higuchi; Hiroshi Kajioka; Shigeru Oho; Masahiro Komachiya; Naoyuki Mekada

doi:10.1117/12.191835

1 November 1994 Fabrication of integrated optical gyrochip pigtailed with elliptical-core polarization-maintaining optical fiber for industrial applications

Toshiya Yuhara, Keiichi Higuchi, Hiroshi Kajioka, Shigeru Oho, Masahiro Komachiya, Naoyuki Mekada

Author Affiliations +

Proceedings Volume 2292, Fiber Optic and Laser Sensors XII; (1994) https://doi.org/10.1117/12.191835
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

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, Keiichi Higuchi, Hiroshi Kajioka, Shigeru Oho, Masahiro Komachiya, and 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); https://doi.org/10.1117/12.191835

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