High-speed Dynamic Strain Measurement Based on Frequency-swept Pulsed BOTDA

Conference: ECOC 2016 - 42nd European Conference on Optical Communication
09/18/2016 - 09/22/2016 at Düsseldorf, Deutschland

Proceedings: ECOC 2016

Pages: 3Language: englishTyp: PDF

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Kito, Chihiro; Takahashi, Hiroshi; Toge, Kunihiro; Manabe, Tetsuya (NTT Access Network Service Systems Laboratories, 1-7-1 Hanabatake, Tsukuba-city, Ibaraki, 305-0805 Japan)

We propose a high-speed, dynamic strain measurement based on real-time Brillouin time-domain analysis of correlated gain measured with an oscilloscope. We achieved the highest recorded speed of 97 kilo-points/s over 1 km fibre, which is close to the repetition limit.