Brillouin optical time domain analysis enhanced by tailored pump compensation

Young Hoon Kim; Kwang Yong Song

doi:10.1117/12.2267533

23 April 2017 Brillouin optical time domain analysis enhanced by tailored pump compensation

Young Hoon Kim, Kwang Yong Song

Proceedings Volume 10323, 25th International Conference on Optical Fiber Sensors; 103239A (2017) https://doi.org/10.1117/12.2267533
Event: 25th International Conference on Optical Fiber Sensors, 2017, Jeju, Korea, Republic of

Abstract

Brillouin optical time domain analysis (BOTDA) enhanced by the tailored compensation for the propagation loss of a pump pulse is experimentally demonstrated for long-distance and high-resolution distributed sensing. Distributed Brillouin amplification (DBA) of the pump pulse is applied in addition to an ordinary BOTDA configuration, where the frequency modulation with time-dependent amplitude variation is introduced to the DBA pump for tailored compensation for the propagation loss. In experiments, the distribution map of the Brillouin frequency along a 51.2 km test fiber is measured with a spatial resolution of 50 cm and a measurement error (σ) of less than 1 MHz.

Citation Download Citation

Young Hoon Kim and Kwang Yong Song "Brillouin optical time domain analysis enhanced by tailored pump compensation", Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103239A (23 April 2017); https://doi.org/10.1117/12.2267533

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