Enhanced stability and sensitivity of slope-assisted Brillouin optical correlation-domain reflectometry using polarization-maintaining fibers | Zendy

Heeyoung Lee | Zendy; Yosuke Mizuno | Zendy; Kentaro Nakamura | Zendy

Open Access

Enhanced stability and sensitivity of slope-assisted Brillouin optical correlation-domain reflectometry using polarization-maintaining fibers

Author(s) -

Heeyoung Lee,

Yosuke Mizuno,

Kentaro Nakamura

Publication year - 2019

Publication title -

osa continuum

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.592

H-Index - 8

ISSN - 2578-7519

DOI - 10.1364/osac.2.000874

Subject(s) - reflectometry , brillouin scattering , materials science , brillouin zone , optics , optical fiber , polarization (electrochemistry) , sensitivity (control systems) , silica fiber , polarization maintaining optical fiber , fiber optic sensor , optoelectronics , time domain , fiber laser , electronic engineering , chemistry , physics , computer science , computer vision , engineering

We show that, even when a polarization scrambler is switched off, PMF-based SA-BOCDR can operate with higher stability than that of standard silica-fiber-based systems. This leads to reduced cost and enables the use of the optimized state of polarization for higher sensitivity. After investigation of the strain/temperature dependencies of the Brillouin frequency shift and the Brillouin spectral power in the PMF, we show that the strain/temperature sensitivity of the PMF-based SA-BOCDR is 1.4 times the value of the standard silica-fiber-based configuration; we then demonstrate distributed temperature measurement with higher stability and sensitivity.

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