Scanless Brillouin Gain Spectrum Measurement Based on Multi-heterodyne Detection

Yosuke Tanaka; Yuta Ozaki; Yoshihisa So

doi:10.1364/OFS.2018.TuE88

26th International Conference on Optical Fiber Sensors
OSA Technical Digest (Optica Publishing Group, 2018),
paper TuE88
•https://doi.org/10.1364/OFS.2018.TuE88

Scanless Brillouin Gain Spectrum Measurement Based on Multi-heterodyne Detection

Yosuke Tanaka, Yuta Ozaki, and Yoshihisa So

Optical Fiber Sensors 2018

Lausanne Switzerland
24–28 September 2018
ISBN: 978-1-943580-50-7

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Poster Session I (TuE)

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Y. Tanaka, Y. Ozaki, and Y. So, "Scanless Brillouin Gain Spectrum Measurement Based on Multi-heterodyne Detection," in 26th International Conference on Optical Fiber Sensors, OSA Technical Digest (Optica Publishing Group, 2018), paper TuE88.

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Abstract

Scanless Brillouin gain spectrum measurement is demonstrated using multimode pump and probe lights along with multi-heterodyne detection. Brillouin frequency shift in a test fiber is successfully measured with a sensitivity of 11 MHz/K.

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