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Proceedings Paper

Methods for signal-to-noise ratio improvement on the measurement of temperature using BOTDR sensor
Author(s): Jiacheng Hu; Bai Chen; Guoyang Li; Zunqi Lin
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Paper Abstract

The signal-to-noise ratio (SNR) enhancement using polarization scrambler, narrowband-stop grating and cumulative average processing in Brillouin optical time domain reflectometer (BOTDR) is studied experimentally. Compared to the result without these methods, it is confirmed that these techniques can provide the SNR enhancement in our experiment. This makes it possible to perform a better detection threshold and resolution. The experiment result shows that a temperature resolution of 2°C with a spatial resolution of 3 m is achieved on our BOTDR sensor system.

Paper Details

Date Published: 9 November 2010
PDF: 7 pages
Proc. SPIE 7853, Advanced Sensor Systems and Applications IV, 785309 (9 November 2010); doi: 10.1117/12.869821
Show Author Affiliations
Jiacheng Hu, Shanghai Institute of Optics and Fine Mechanics (China)
Bai Chen, Shanghai Institute of Optics and Fine Mechanics (China)
Guoyang Li, Shanghai Institute of Optics and Fine Mechanics (China)
Zunqi Lin, Shanghai Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 7853:
Advanced Sensor Systems and Applications IV
Brian Culshaw; Yanbiao Liao; Anbo Wang; Xiaoyi Bao; Xudong Fan; Lin Zhang, Editor(s)

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