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Observation and analysis of noise due to birefringence modulation in a fibre-optic gyroscope

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3 Author(s)
Peng Gangding ; Shanghai Jiao Tong University, Department of Electronic Engineering, Shanghai, China ; Huang Shangyuan ; Lin Zongoi

The noise due to the birefringence modulation of a nonideal phase modulator in a fibre-optic gyroscope is investigated. Theoretical analysis and experimental observation show that there is a definite ¿/2 phase difference between this noise and the Sagnac signal at the modulation frequency.

Published in:

Electronics Letters  (Volume:22 ,  Issue: 25 )