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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 22 — Nov. 15, 2012
  • pp: 4789–4791

Phenomenon in an alcohol not full-filled temperature sensor based on an optical fiber Sagnac interferometer

Chun-Liu Zhao, Zhiqiang Wang, Shuqin Zhang, Liang Qi, Chuan Zhong, Zaixuan Zhang, Shangzhong Jin, Jiangtao Guo, and Huifeng Wei  »View Author Affiliations


Optics Letters, Vol. 37, Issue 22, pp. 4789-4791 (2012)
http://dx.doi.org/10.1364/OL.37.004789


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Abstract

An alcohol not full-filled high-birefringence photonic crystal fiber (HiBi-PCF) temperature sensor based on an optical fiber Sagnac interferometer (OFSI) is demonstrated and investigated in detail. A new phenomenon that the resonant dip wavelengths of the temperature sensor blueshift with temperature increasing is observed, which is contrary to that of the previously reported alcohol filled HiBi-PCF OFSI temperature sensor. By considering the influences of the group birefringence and the thermo expansion of alcohol, this phenomenon is explained very well. The temperature sensitivity of the proposed sensor is about 1.17nm/°C and is only one-sixth of that of the alcohol full-filled HiBi-PCF OSFI.

© 2012 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.6780) Instrumentation, measurement, and metrology : Temperature
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: August 2, 2012
Revised Manuscript: September 24, 2012
Manuscript Accepted: September 25, 2012
Published: November 14, 2012

Citation
Chun-Liu Zhao, Zhiqiang Wang, Shuqin Zhang, Liang Qi, Chuan Zhong, Zaixuan Zhang, Shangzhong Jin, Jiangtao Guo, and Huifeng Wei, "Phenomenon in an alcohol not full-filled temperature sensor based on an optical fiber Sagnac interferometer," Opt. Lett. 37, 4789-4791 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-22-4789


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