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A Short-Pulsed MOPA Source and Its Application in Distributed Optical Fiber Raman Temperature Sensing System

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4 Author(s)
Lei Zhang ; State Key Laboratory on Integrated Optoelectronics/Tsinghua National Laboratory, for Information Science and Technology, Tsinghua University, Beijing 100084, China ; Xue Feng ; Qiang Zhao ; Xiaoming Liu

We have demonstrated a short-pulsed optical fiber MOPA source, which generates 12 W, >1 ns pulses at a wavelength of 1550 nm. The repetition rate of the pulses can be adjusted continuously from 10 Hz to 70MHz. The source is tested in a 2.4 km distributed fiber Raman temperature sensing system, achieved a temperature resolution of plusmn5K. By using wavelet transformation, the temperature resolution is improved to plusmn1K.

Published in:

2007 International Nano-Optoelectronics Workshop

Date of Conference:

July 29 2007-Aug. 11 2007