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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 12 — Jun. 7, 2010
  • pp: 13072–13082

In-series double cladding fibers for simultaneous refractive index and temperature measurement

Huanhuan Liu, Fufei Pang, Hairui Guo, Wenxin Cao, Yunqi Liu, Na Chen, Zhenyi Chen, and Tingyun Wang  »View Author Affiliations

Optics Express, Vol. 18, Issue 12, pp. 13072-13082 (2010)

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A fiber-optic sensor for simultaneous measurement of refractive index (RI) and temperature was proposed and demonstrated. It was fabricated by cascading two sections of specialty double cladding (DC) fibers which presented a pair of well-separated resonant spectra dips. The sensing properties of temperature and ambient RI were investigated theoretically based on the coupled mode theory. Experimental results indicated that these two resonant spectra shifts were linearly dependent on the variation of the RI in the range of 1.3333~1.4118 and on the temperature in the range of −10°C~ + 80°C. Such a fiber-optic sensor is simple and easy for mass production and has potential applications for biosensors or chemical sensors.

© 2010 OSA

OCIS Codes
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.2370) Fiber optics and optical communications : Fiber optics sensors

ToC Category:

Original Manuscript: March 10, 2010
Revised Manuscript: May 16, 2010
Manuscript Accepted: May 25, 2010
Published: June 3, 2010

Huanhuan Liu, Fufei Pang, Hairui Guo, Wenxin Cao, Yunqi Liu, Na Chen, Zhenyi Chen, and Tingyun Wang, "In-series double cladding fibers for simultaneous refractive index and temperature measurement," Opt. Express 18, 13072-13082 (2010)

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