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Proceedings Paper

Spontaneous anti-Stokes backscattering in Brillouin dynamic gratings
Author(s): L. Yaron; E. Shahmoon; A. Bergman; T. Langer; M. Tur
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Paper Abstract

Spontaneous Brillouin backscattering, which accompanies the operation of Brillouin Dynamic Gratings (BDG) sensors, is experimentally investigated for the anti-stokes configuration, where the probe wave propagates against the orthogonally polarized high frequency writing pump. Even in the absence of the low frequency writing pump but for a strong enough high frequency writing pump, the observed anti-Stokes reflection of the probe becomes much stronger than its corresponding value under classical anti-Stokes backscattering. It is also shown that, eventually, as the probe reaches a critical value, the anti-Stokes reflection sharply decreases to its classical value.

Paper Details

Date Published: 28 September 2015
PDF: 4 pages
Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96342X (28 September 2015); doi: 10.1117/12.2194608
Show Author Affiliations
L. Yaron, Tel Aviv Univ. (Israel)
E. Shahmoon, Harvard Univ. (United States)
A. Bergman, Tel Aviv Univ. (Israel)
T. Langer, Tel Aviv Univ. (Israel)
M. Tur, Tel Aviv Univ. (Israel)

Published in SPIE Proceedings Vol. 9634:
24th International Conference on Optical Fibre Sensors
Hypolito José Kalinowski; José Luís Fabris; Wojtek J. Bock, Editor(s)

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