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Multi-point fiber refractometer using Fresnel reflection and a coherent optical frequency-domain multiplexing technique.

作者信息

Martínez-Manuel Rodolfo, Bautista-Morales Ma Del Rosario, López-Cortés Daniel, Pineda-Arellano Carlos A, Shlyagin Mikhail G, Esteban Óscar

出版信息

Appl Opt. 2019 Jan 20;58(3):684-689. doi: 10.1364/AO.58.000684.

DOI:10.1364/AO.58.000684
PMID:30694255
Abstract

We demonstrate a simple multi-point refractometer based on the coherent optical frequency-domain multiplexing technique. As local refractive index sensors, interferometers of different lengths formed between cleaved fiber tips and reference weak reflectors are employed. Referent reflectors were fabricated by splicing into lead SMF-28 fiber a very short section of hollow optical fiber using a standard fiber splicer and a cleaver with an optical microscope. Despite the very simple configuration and manufacturing of the sensor, the refractive index resolution of 6×10 was demonstrated during proof-of-concept experiments.

摘要

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