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Distributed Brillouin Fiber Sensor With Enhanced Sensitivity Based on Anti-Stokes Single-Sideband Suppressed-Carrier Modulation

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Citation

Duc Nguyen, M., Stiller, B., Lee, M. W., Beugnot, J.-C., Maillotte, H., Mottet, A., et al. (2013). Distributed Brillouin Fiber Sensor With Enhanced Sensitivity Based on Anti-Stokes Single-Sideband Suppressed-Carrier Modulation. IEEE PHOTONICS TECHNOLOGY LETTERS, 25(1), 94-96. doi:10.1109/LPT.2012.2228848.


Cite as: http://hdl.handle.net/21.11116/0000-0004-B5BC-C
Abstract
We demonstrate an alternative technique to reduce pump depletion and to improve sensitivity in the long-range Brillouin optical time-domain analysis (BOTDA) sensor. Our BOTDA system uses an anti-Stokes single-sideband suppressed-carrier modulation technique that balances the pump depletion due to fiber loss. With this technique, we show both numerically and experimentally a great improvement compared to the dual sideband standard technique.