Distortion-free Brillouin distributed sensor using RF shaping of pump pulses

Ander Zornoza; David Olier; Mikel Sagues; Alayn Loayssa

doi:10.1117/12.835463

5 October 2009 Distortion-free Brillouin distributed sensor using RF shaping of pump pulses

Ander Zornoza, David Olier, Mikel Sagues, Alayn Loayssa

Author Affiliations +

Proceedings Volume 7503, 20th International Conference on Optical Fibre Sensors; 75036D (2009) https://doi.org/10.1117/12.835463
Event: 20th International Conference on Optical Fibre Sensors, 2009, Edinburgh, United Kingdom

Abstract

We demonstrate a novel configuration for Brillouin optical time domain analysis based on single-sideband modulation and RF shaping that provides pump pulses with 80 dB extinction ratio. This extremely reduced leakage, which to our knowledge is the lowest ever achieved, completely suppresses distortion of the measured spectra, thus sensor precision is enhanced. Furthermore, the proposed setup results in a simplified system with only one modulator and no need for optical filtering in detection.

Citation Download Citation

Ander Zornoza, David Olier, Mikel Sagues, and Alayn Loayssa "Distortion-free Brillouin distributed sensor using RF shaping of pump pulses", Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75036D (5 October 2009); https://doi.org/10.1117/12.835463

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