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1 February 1992 All-fiber closed-loop gyroscope with zero rate and scale factor self-calibration
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Phase modulation is studied with regard to high stability, low distortion coefficient, and minimum parasitic modulation effects for the case of a gyroscope of 1 deg/hour performance based on normal birefringent single-mode fiber. Signal processing involves both a novel modification of the optical feedback to compensate for the rotation-caused Sagnac phase shift, as well as a simulation of the optical interferometer output for periodic zero rotation rate adjustment and scale factor calibration.
© (1992) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Wolfgang Ecke, Siegmund Schroeter, Guenter Schwotzer, and Reinhardt Willsch "All-fiber closed-loop gyroscope with zero rate and scale factor self-calibration", Proc. SPIE 1585, Fiber Optic Gyros: 15th Anniversary Conf, (1 February 1992); doi: 10.1117/12.135072;

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