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Elimination of Intensity-induced Sideband Noise in Interferometric Fiber Sensors

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Abstract

Up-conversion of low-frequency optical intensity noise can degrade the signal-to-noise ratio (SNR) in sensors employing phase carriers. We demonstrate a 20-25 dB improvement in the SNR in the presence of a 300 mrad rms phase carrier by stabilizing the laser intensity.

© 1988 Optical Society of America

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