期刊
IEEE SENSORS JOURNAL
卷 9, 期 5-6, 页码 633-634出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSEN.2009.2019372
关键词
Brillouin scattering; optical fiber measurements
资金
- MODIS
We present a technical solution, capable of alleviating the problem of pump depletion in a long-range Brillouin distributed fiber sensor. This solution takes advantage of the presence of two sidebands in the probe wave to generate a dual gain-loss Brillouin interaction, giving rise to reduced pump depletion. Experimental results, carried out by using a Brillouin optical frequency-domain analysis configuration, demonstrated the improvement offered by the gain-loss technique.
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