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Proceedings Paper

Highly sensitive temperature measurement based on polymer-coated single-mode, multimode, single-mode, fiber structure
Author(s): Linlin Xue; Yujuan Zhang; Di Che; Qijin Zhang; Li Yang
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Paper Abstract

We propose a way to enhance the temperature sensitivity of single-mode-multimode-single-mode (SMS) fiber structure, by replacing the cladding of silica multimode fiber with a polymer coating. Based on the mode expansion method, we analyze transmission characteristics of the polymer-coated SMS fiber structure and optimize design parameters for sensing. Then we do experiments and verify theoretical analysis. By using the optimized parameters in sample fabrication, a temperature sensor is obtained with an easily detected and demodulated transmission spectrum; and then by monitoring valley wavelength shifts, a measuring sensitivity of about 706 pm/°C is achieved.

Paper Details

Date Published: 30 November 2012
PDF: 6 pages
Proc. SPIE 8561, Advanced Sensor Systems and Applications V, 85610H (30 November 2012); doi: 10.1117/12.2000438
Show Author Affiliations
Linlin Xue, Univ. of Science and Technology of China (China)
Yujuan Zhang, Univ. of Science and Technology of China (China)
Di Che, Univ. of Science and Technology of China (China)
Qijin Zhang, Univ. of Science and Technology of China (China)
Li Yang, Univ. of Science and Technology of China (China)


Published in SPIE Proceedings Vol. 8561:
Advanced Sensor Systems and Applications V
Brian Culshaw; Yanbiao Liao; Anbo Wang; Xiaoyi Bao; Xudong Fan, Editor(s)

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