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. 2017 Nov 1;17(11):2511. doi: 10.3390/s17112511

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© 2017 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Experimental setup of the Stimulated Brillouin scattering (SBS) implementation of the BDTS system. OF: Optical Filter, PC: Polarization Controller, MZI: Mach–Zehnder Interferometer, BPF: Band-Pass Filter, SBS: Stimulated Brillouin Scattering, WFG: Waveform Generator, ADC: Analog-to-Digital Converter, RS: Rayleigh Scattering, FBG: Fiber–Bragg Grating, ECL: External Cavity Laser, EDFA: Erbium Doped Fiber Amplifier, APD: Avalanche Photo Detector, and TIA: Transimpedance Amplifier. (Adapted from [37].)