S Fiber Taper-Based Fiber Loop Ring-Down Refractometer

Panpan Niu,Junfa Zhao,Cheng Zhang,Hua Bai,Xiaodong Sun,Jinjun Bai,Liying Chen

IEEE Sensors Journal（2019）

引用 11|浏览11

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摘要

A fiber-optic refractive index (RI) sensor based on fiber loop ring-down (FLRD) technique with an S fiber taper (SFT) structure is proposed and experimentally investigated. The SFT is served as an in-line Mach-Zehnder interferometer and inserted into a compensated fiber loop for RI measurement. By optimizing the parameters of the fiber loop, the quality of the ring-down signals is improved effecti...

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关键词

Optical fiber sensors,Optical fiber amplifiers,Optical fiber couplers,Wavelength measurement,Erbium-doped fiber amplifiers,Ring lasers

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