Resonator micro optic gyro with double phase modulation technique using an FPGA-based digital processor

Huilian Ma; Hui Mao; Yan Chen; Zhonghe Jin

doi:10.1117/12.885445

17 May 2011 Resonator micro optic gyro with double phase modulation technique using an FPGA-based digital processor

Huilian Ma, Hui Mao, Yan Chen, Zhonghe Jin

Proceedings Volume 7753, 21st International Conference on Optical Fiber Sensors; 77531H (2011) https://doi.org/10.1117/12.885445
Event: 21st International Conference on Optical Fibre Sensors (OFS21), 2011, Ottawa, Canada

Abstract

A resonator micro optic gyro (RMOG) with the proposed FPGA-based digital processor is set up. The double phase modulation technique is applied to achieve high total carrier suppression. Rotation tests from ±0.1 °/s to ±5 °/s are tested, where the processing circuit of RMOG is implemented by the instruments. The rotation test over a range of ±550 °/s has been successfully obtained with all the processing circuit implemented in FPGA. To the best of our knowledge, these results are the best results of RMOG ever demonstrated in silica resonator with the ring length as short as 7.9 cm.

Citation Download Citation

Huilian Ma, Hui Mao, Yan Chen, and Zhonghe Jin "Resonator micro optic gyro with double phase modulation technique using an FPGA-based digital processor", Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77531H (17 May 2011); https://doi.org/10.1117/12.885445

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