Recent progress in distributed optical fiber raman sensors

Zaixuan Zhang; Shangzhong Jin; Jianfeng Wang; Yi Li; Huaping Gong; Xiangdong Yu; Honglin Liu; Yongxing Jin; Juan Kang; Chenxia Li; Wensheng Zhang; Zhongzhou Sun; Chunliu Zhao; Xinyong Dong

doi:10.1117/12.981387

17 October 2012 Recent progress in distributed optical fiber raman sensors

Zaixuan Zhang, Shangzhong Jin, Jianfeng Wang, Yi Li, Huaping Gong, Xiangdong Yu, Honglin Liu, Yongxing Jin, Juan Kang, Chenxia Li, Wensheng Zhang, Zhongzhou Sun, Chunliu Zhao, Xinyong Dong

Author Affiliations +

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 84210L (2012) https://doi.org/10.1117/12.981387
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

A brief review of recent progress in researches, productions and applications of distributed fiber Raman sensors at China Jiliang University (CJLU) is presented. In order to improve the measurement distance, the accuracy, the space resolution, the ability of multi-parameter measurements, and the intelligence of distributed fiber sensor systems, a new generation fiber sensor technology based on the optical fiber nonlinear scattering fusion principle is proposed. A series of new generation distributed fiber sensors are investigated and designed, which consist of new generation ultra-long distributed fiber Raman and Rayleigh scattering sensors integrated with a fiber Raman amplifier (FRA), auto-correction full distributed fiber Raman temperature sensors based on Raman correlation dual sources, distributed fiber Raman temperature sensors based on a pulse coding source, distributed fiber Raman temperature sensors using a fiber Raman wavelength shifter, a new type of Brillouin optical time domain analyzers (BOTDA) integrated with a fiber Raman amplifier, distributed fiber Raman and Brillouin sensors integrated with a fiber Raman amplifier, and distributed fiber Brillouin sensors integrated with a fiber Brillouin frequency shifter. Sensor networks are important components of the internet of things. The distributed optical fiber sensor network (Rayleigh, Raman, and Brillouin scattering) is a 3S (smart materials, smart structure, and smart skill) system, which is easy to construct smart fiber sensor networks. The distributed optical fiber sensor has been applied to the power grids, railways, bridges, tunnels, roads, constructions, water supply systems, dams, oil and gas pipelines and other facilities, and can be integrated with wireless networks.

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Zaixuan Zhang, Shangzhong Jin, Jianfeng Wang, Yi Li, Huaping Gong, Xiangdong Yu, Honglin Liu, Yongxing Jin, Juan Kang, Chenxia Li, Wensheng Zhang, Zhongzhou Sun, Chunliu Zhao, and Xinyong Dong "Recent progress in distributed optical fiber raman sensors", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84210L (17 October 2012); https://doi.org/10.1117/12.981387

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