Time biasing due to the slow-light effect in distributed fiber-optic Brillouin sensors

The influence of the slow-light effect on the performance of distributed Brillouin sensors is studied. We show that, while in most situations it can be neglected, it may greatly affect the results obtained for certain experimental configurations. More specifically, for one of the experimental arrangements described in the literature (a strong continuous-wave pump and a weak pulsed probe) we show that this effect induces a large time biasing of the traces that depends not only on the fiber length but also on the frequency separation between pump and probe. This biasing reduces the available resolution in this experimental arrangement. © 2006 Optical Society of America.


Publié dans:
Optics Letters, 31, 6, 715-717
Année
2006
Publisher:
Optical Society of America
ISSN:
0146-9592
Mots-clefs:
Note:
Nanophotonics and Metrology Laboratory, Ecole Polytechnique Federale de Lausanne, CH-1015 Lausanne, Switzerland Compilation and indexing terms, Copyright 2008 Elsevier Inc. 06169830504 0146-9592 Slow light effects Frequency separation Experimental arrangement Experimental configurations
Autres identifiants:
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 Notice créée le 2008-09-29, modifiée le 2019-03-16

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