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 .
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Toshiya Yuhara, Keiichi Higuchi, Hiroshi Kajioka, Shigeru Oho, Masahiro Komachiya, 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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