Photonic Sensors, Volume. 3, Issue 3, 256(2013)

Wavelength Dispersion Analysis on Fiber-Optic Raman Distributed Temperature Sensor System

Weijie WANG1, Jun CHANG1、*, Guangping LV1, Zongliang WANG1, Zhi LIU1, Sha LUO1, Shuo JIANG1, Xiangzhi LIU2, Xiaohui LIU1, and and Yongning LIU1
Author Affiliations
  • 1School of Information Science and Engineering and Shandong Provincial Key Laboratory of Laser Technology and Application, Shandong University, Jinan, 250100, P. R. China
  • 2Institute of Automation, Shandong Academy of Sciences, Jinan 250014, China
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    The influence of the wavelength dispersion on the temperature accuracy of the Raman distributed temperature sensor system (RDTS) is analyzed in detail, and a simple correction algorithm is proposed to compensate the fiber position error caused by the wavelength dispersion. The principle of the proposed algorithm is described theoretically, and the correction on each point along the entire fiber is realized. Temperature simulation results validate that the temperature distortion is corrected and the temperature accuracy is effectively improved from ±5 ℃ to ±1 ℃.

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    Weijie WANG, Jun CHANG, Guangping LV, Zongliang WANG, Zhi LIU, Sha LUO, Shuo JIANG, Xiangzhi LIU, Xiaohui LIU, and Yongning LIU. Wavelength Dispersion Analysis on Fiber-Optic Raman Distributed Temperature Sensor System[J]. Photonic Sensors, 2013, 3(3): 256

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    Paper Information

    Received: Oct. 20, 2012

    Accepted: Feb. 20, 2013

    Published Online: Nov. 14, 2013

    The Author Email: CHANG Jun (changjun@sdu.edu.cn)

    DOI:10.1007/s13320-013-0102-y

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