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Proceedings Paper

Distributed fiber optic pressure sensors based on a photonic crystal
Author(s): Wen-hui Ding; Yi Jiang
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Paper Abstract

A distributed fiber optic pressure sensor based on a piece of the photonic crystal fiber (PCF) is proposed and experimentally demonstrated. The sensor is fabricated by splicing the PCF with a single-mode fiber (SMF), and the free end face of the PCF is filmed with a reflectivity of 99%. A Michelson interferometer is formed in the PCF. The pressure position can be located by measuring the phase difference of the interferometer, and the pressure can be interrogated by measuring the amplitude of the optical spectrum. The experimental results show that the pressure and its position along the PCF can be simultaneously interrogated.

Paper Details

Date Published: 7 November 2012
PDF: 4 pages
Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84219C (7 November 2012); doi: 10.1117/12.965864
Show Author Affiliations
Wen-hui Ding, Beijing Institute of Technology (China)
Yi Jiang, Beijing Institute of Technology (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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