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Proceedings Paper

A WDM dual sensor system for simultaneous measurement of temperature and pressure
Author(s): Yuanhong Yang; Chunjiao Xu; Wei Yang; Pingping Zhang; Wei Jin
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Paper Abstract

A wavelength division multiplied (WDM) polarization-maintain fiber sensor system for simultaneous temperature and pressure measurement is proposed. The system comprises a PANDA fiber polarimetric temperature sensor and a highly birefringent photonic crystal fiber (PCF) polarimetric pressure sensor, which are multiplexed by use of a WDM beam splitter/combiner and interrogated in wavelength domain by using a combination of a broadband source and an optical spectrum analyzer. Preliminary experiments demonstrate a temperature sensitivity of about 1.16nm/oC and a pressure sensitivity of 2.42nm/MPa with respectively 162.7mm of PANDA fiber and 262.8mm of PCF.

Paper Details

Date Published: 5 October 2009
PDF: 4 pages
Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75033G (5 October 2009); doi: 10.1117/12.834078
Show Author Affiliations
Yuanhong Yang, BeiHang Univ. (China)
Chunjiao Xu, BeiHang Univ. (China)
Wei Yang, BeiHang Univ. (China)
Pingping Zhang, BeiHang Univ. (China)
Wei Jin, The Hong Kong Polytechnic Univ. (Hong Kong, China)

Published in SPIE Proceedings Vol. 7503:
20th International Conference on Optical Fibre Sensors
Julian D. C. Jones, Editor(s)

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