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Conferences > OECC > 2021 > W1D > W1D.2

An in-fiber Mach–Zehnder interferometer for salinity sensor based on interface-fiber inscribed by femtosecond laser

Shengqi Zhang, Zhengyong Liu, Chengkun Yang, and Zhaohui Li

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Abstract

In this paper, a novel in-fiber Mach-Zehnder interferometer in a single mode optical fiber is proposed for the measurement of seawater salinity. The salinity sensitivity increases exponentially with the sensing arm approaching the cladding interface.

© 2021 The Author(s)

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