23 April 2017 New improvements for Brillouin optical time-domain reflectometry
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Proceedings Volume 10323, 25th International Conference on Optical Fiber Sensors; 103230L (2017) https://doi.org/10.1117/12.2261943
Event: 25th International Conference on Optical Fiber Sensors, 2017, Jeju, Korea, Republic of
Abstract
This paper presents new techniques designed to improve the performances of a BOTDR. The first one introduces a second pump to the sensor, thus doubling the Brillouin signal on the receiver. The second one uses image processing with a two-dimensional Gaussian filter whose parameters are defined. The last technique explores the possibilities offered by colour codes. The benefits of each, in terms of signal-to-noise ratio, is presented by comparing measurements over a distance range of 50km with a spatial resolution of 5m. These techniques can easily be combined and the global improvement is estimated at 10dB, compared to conventional sensors.
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Sébastien Le Floch, Sébastien Le Floch, Florian Sauser, Florian Sauser, } "New improvements for Brillouin optical time-domain reflectometry", Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103230L (23 April 2017); doi: 10.1117/12.2261943; https://doi.org/10.1117/12.2261943
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