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Proceedings Paper

In-line single-mode fiber interferometers based on peanut-shape fiber structure
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Paper Abstract

A novel peanut-shape fiber structure which can realize the coupling and re-coupling between the fiber core mode and the cladding modes is proposed in this paper. Based on the peanut-shape structure, two kinds of simple and low-cost interferometers are fabricated in single-mode fiber (SMF). Experimental results show that the temperature sensitivities of the Mach-Zehnder and Michelson interferometers were ~46.8pm/°C and ~0.096 nm/°C, respectively. In particular, the Michelson interferometer could be heated up to 900°C, which is suitable for the high temperature sensing applications.

Paper Details

Date Published: 7 November 2012
PDF: 4 pages
Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84217N (7 November 2012); doi: 10.1117/12.966811
Show Author Affiliations
Di Wu, Chongqing Univ. (China)
Tao Zhu, Chongqing Univ. (China)
De-Wen Duan, Chongqing Univ. (China)
Kin Seng Chiang, City Univ. of Hong Kong (Hong Kong, China)
Chongqing Univ. (China)
Ming Deng, Chongqing 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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