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Proceedings Paper

Model analysis of single-mode optical fiber extrinsic Fabry-Perot interferometric sensors
Author(s): Weiyu Wang; Min Zhang; Qiaofeng Tan
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Paper Abstract

We revise the demodulation model for single-mode optical fiber extrinsic Fabry-Perot interferometric sensors on account of mode-coupling theory and manufacturing imperfections of fiber sensors. This new model can be used to estimate the large system errors of absolute measurements and explain the big difference of demodulation results with different incident central wavelengths of light source. The measurement error of traditional free-space plane-wave model in demodulating cavity-length variation of fiber sensors is also analyzed.

Paper Details

Date Published: 7 November 2012
PDF: 4 pages
Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 8421AH (7 November 2012); doi: 10.1117/12.968203
Show Author Affiliations
Weiyu Wang, Tsinghua Univ. (China)
Min Zhang, Tsinghua Univ. (China)
Qiaofeng Tan, Tsinghua Univ. (China)


Published in SPIE Proceedings Vol. 8421:
OFS2012 22nd International Conference on Optical Fiber Sensors
Yanbiao Liao; Wei Jin; David D. Sampson; Ryozo Yamauchi; Youngjoo Chung; Kentaro Nakamura; Yunjiang Rao, Editor(s)

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