A WDM dual sensor system for simultaneous measurement of temperature and pressure

Yuanhong Yang; Chunjiao Xu; Wei Yang; Pingping Zhang; Wei Jin

doi:10.1117/12.834078

5 October 2009 A WDM dual sensor system for simultaneous measurement of temperature and pressure

Yuanhong Yang, Chunjiao Xu, Wei Yang, Pingping Zhang, Wei Jin

Proceedings Volume 7503, 20th International Conference on Optical Fibre Sensors; 75033G (2009) https://doi.org/10.1117/12.834078
Event: 20th International Conference on Optical Fibre Sensors, 2009, Edinburgh, United Kingdom

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.

Citation Download Citation

Yuanhong Yang, Chunjiao Xu, Wei Yang, Pingping Zhang, and Wei Jin "A WDM dual sensor system for simultaneous measurement of temperature and pressure", Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75033G (5 October 2009); https://doi.org/10.1117/12.834078

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