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Comparison of the methods for discriminating temperature and strain in spontaneous Brillouin-based distributed sensors

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Abstract

A recently proposed method of measuring the two Brillouin frequencies in a multicompositional fiber core for unambiguously resolving temperature and strain in a distributed sensor is compared with the previously established technique of measuring the intensity and frequency of the single Brillouin peak in a standard single-mode fiber.

© 2004 Optical Society of America

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