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Proceedings Article

High-sensitivity coupling evanescent wave temperature sensor

[+] Author Affiliations
Huayu Bao, Tingyun Wang, Yuqing Shen

Shanghai Univ. (China)

Proc. SPIE 5634, Advanced Sensor Systems and Applications II, 558 (February 28, 2005); doi:10.1117/12.574814
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From Conference Volume 5634

  • Advanced Sensor Systems and Applications II
  • Yun-Jiang Rao; Osuk Y. Kwon; Gang-Ding Peng
  • Beijing, China | November 08, 2004

abstract

An optical fiber temperature sensor based on optical fiber coupler and evanescent wave is presented. The overall goal of our research is to design a temperature sensor system which is used to monitor temperature accurately. Coupler is used as the sensor probe. Such kind of coupler uses standard communication SM fiber to be a sensing component of evanescent wave. The probe is obtained by replacing the cladding of coupler region with temperature sensitive material. The whole system is then exposed in a thermal bath. A numerical modeling of the sensor based on supermode theory is studied and the result is simulated. At last, the system for temperature measurement in experiment is simply described.

© (2005) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Huayu Bao ; Tingyun Wang and Yuqing Shen
"High-sensitivity coupling evanescent wave temperature sensor", Proc. SPIE 5634, Advanced Sensor Systems and Applications II, 558 (February 28, 2005); doi:10.1117/12.574814; http://dx.doi.org/10.1117/12.574814


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