Experimental studies on a distributed temperature sensing system based on optical fiber Brillouin scattering

Zhi Yang; Yongqian Li; Yujun He; Xiang Cui; Toshihiko T. Yoshino

doi:10.1117/12.481992

9 September 2002 Experimental studies on a distributed temperature sensing system based on optical fiber Brillouin scattering

Zhi Yang, Yongqian Li, Yujun He, Xiang Cui, Toshihiko T. Yoshino

Author Affiliations +

Proceedings Volume 4920, Advanced Sensor Systems and Applications; (2002) https://doi.org/10.1117/12.481992
Event: Photonics Asia, 2002, Shanghai, China

Abstract

A distributed temperature sensing system based on optical fiber Brillouin scattering is presented in this paper. A distributed temperature sensing measurement was achieved with a BOTDR system. The light source was a narrow linewidth LD. The light from the LD was modulated by an AOM and amplified by a high gain EDFA to generate high power light pulses. So a high intensity spontaneous Brillouin scattering can be achieved. A double-pass all-fiber Mach-Zehnder interferometer was designed and used to separate Brillouin scattering from Rayleigh scattering.

Citation Download Citation

Zhi Yang, Yongqian Li, Yujun He, Xiang Cui, and Toshihiko T. Yoshino "Experimental studies on a distributed temperature sensing system based on optical fiber Brillouin scattering", Proc. SPIE 4920, Advanced Sensor Systems and Applications, (9 September 2002); https://doi.org/10.1117/12.481992

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