Abstract

Temperature is the main factor restricting the application of all-fiber current sensors. To comprehensively analyze temperature influences, the influences of temperature on Verdet constant, birefringence, and phase delay of the quarter-wave plate are modeled and simulated by the Jones matrix and Matlab. Basing on the normalized scale coefficient, the relationship between the normalized ratio coefficient and temperature is discussed. Finally, we get the conclusion that the normalized proportional coefficient of feedback phase shift fluctuates on both sides of the reference temperature. Keeping the temperature in a narrow range is a practical scheme to improve the system performance.

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