NASA NTRS · 19900000143
Interferometric Fiber-Optic Gyroscope
Abstract
Integrated three-waveguide directional coupler functions as polarizer and splitter. Designed with transverse electric (TE) polarization in bar state (two coupling lengths) and transverse magnetic (TM) polarization in cross state (one coupling length). Intended for eventual fabrication as in mass-producible integrated optical circuit that provides advantages including low drive voltage, large-bandwidth phase modulation, preservation of polarization in transmission between devices on same substrate, and low cost.
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Depaula, Ramon P., Bogert, Gail A., Minford, William J.. 1990-04-01. Interferometric Fiber-Optic Gyroscope. https://ntrs.nasa.gov/citations/19900000143
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