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Accurate determination of Brillouin frequency based on cross recurrence plot analysis in Brillouin distributed fiber sensor
Author(s): Shahna M. Haneef; K. Srijith; D. Venkitesh; B. Srinivasan
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Paper Abstract

We propose and demonstrate the use of cross recurrence plot analysis (CRPA) to accurately determine the Brillouin shift due to strain and temperature in a Brillouin distributed fiber sensor. This signal processing technique, which is implemented in Brillouin sensors for the first time relies on apriori data i.e, the lineshape of the Brillouin gain spectrum and its similarity with the spectral features measured at different locations along the fiber. Analytical and experimental investigation of the proposed scheme is presented in this paper.

Paper Details

Date Published: 23 April 2017
PDF: 4 pages
Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103239M (23 April 2017); doi: 10.1117/12.2267655
Show Author Affiliations
Shahna M. Haneef, Indian Institute of Technology Madras (India)
K. Srijith, Indian Institute of Technology Madras (India)
D. Venkitesh, Indian Institute of Technology Madras (India)
B. Srinivasan, Indian Institute of Technology Madras (India)


Published in SPIE Proceedings Vol. 10323:
25th International Conference on Optical Fiber Sensors
Youngjoo Chung; Wei Jin; Byoungho Lee; John Canning; Kentaro Nakamura; Libo Yuan, Editor(s)

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