GO/MoS2@PVA composite membrane-based optical fiber Mach–Zehnder interferometer for humidity sensing and its non-contact sensing application
Yufei Shi,
Jun Wu,
Jun Zhou
et al.
Abstract:A humidity sensor based on an optical fiber Mach–Zehnder interferometer (MZI) coated with a GO/MoS2@PVA composite membrane was investigated for non-contact sensing. MoS2 was used as a nanospacer to enhance the humidity-sensitive properties of GO, and the adhesion and stability of the composite membrane on the fiber surface could be increased by PVA. The proposed sensor shows a maximum sensitivity of 0.26 dB/%RH with average response and recovery times of 1.62 and 1.11 s, respectively. In non-contact sensing ap… Show more
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