Photonic Sensors, 2012, 2 (2): 127, Published Online: Oct. 24, 2013   

Recent Progress in Distributed Optical Fiber Raman Photon Sensors at China Jiliang University

Author Affiliations
1 Institute of Optoelectronic Technology, College of Optical & Electronic Technology, China Jiliang University, Hangzhou, 310018, China
2 China Jiliang University-BaYang Electric Group United Optical Fiber Sensing Research Center, Hangzhou, 310018, China
3 Hangzhou Optoelectronic Technology Co. Ltd., Hangzhou, 310018, China
4 IOT, COET, CJU, Hangzhou, 310018, China
5 CJU-BaYang Electric Group United Optical Fiber Sensing Research Center, Hangzhou, 310018, China
6 HOT Co. Ltd., Hangzhou, 310018, China
Abstract
A brief review of recent progress in researches, productions and applications of full distributed fiber Raman photon 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 full 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 full distributed fiber sensors are investigated and designed, which consist of new generation ultra-long distance full distributed fiber Raman and Rayleigh scattering photon sensors integrated with a fiber Raman amplifier, auto-correction full distributed fiber Raman photon temperature sensors based on Raman correlation dual sources, full distributed fiber Raman photon temperature sensors based on a pulse coding source, full distributed fiber Raman photon temperature sensors using a fiber Raman wavelength shifter, a new type of Brillouin optical time domain analyzers (BOTDAs) integrated with a fiber Raman amplifier for replacing a fiber Brillouin amplifier, full distributed fiber Raman and Brillouin photon sensors integrated with a fiber Raman amplifier, and full distributed fiber Brillouin photon sensors integrated with a fiber Brillouin frequency shifter. The Internet of things is believed as one of candidates of the next technological revolution, which has driven hundreds of millions of class markets. Sensor networks are important components of the Internet of things. The full 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 can be embedded in 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.

Zaixuan ZHANG, Jianfeng WANG, Yi LI, Huaping GONG, Xiangdong YU, Honglin LIU, Yongxing JIN, Juan KANG, Chenxia LI, Wensheng ZHANG, Wenping ZHANG, Xiaohui NIU, Zhongzhou SUN, Chunliu ZHAO, Xinyong DONG, Shangzhong JIN. Recent Progress in Distributed Optical Fiber Raman Photon Sensors at China Jiliang University[J]. Photonic Sensors, 2012, 2(2): 127.

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