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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 15 — Jul. 19, 2010
  • pp: 15383–15388

Some features of the photonic crystal fiber temperature sensor with liquid ethanol filling

Yongqin Yu, Xuejin Li, Xueming Hong, Yuanlong Deng, Kuiyan Song, Youfu Geng, Huifeng Wei, and Weijun Tong  »View Author Affiliations

Optics Express, Vol. 18, Issue 15, pp. 15383-15388 (2010)

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We introduce a novel photonic crystal fiber (PCF) temperature sensor that is based on intensity modulation and liquid ethanol filling of air holes with index-guiding PCF. The mode field, the effective refractive index and the confinement loss of PCF were all found to become highly temperature-dependent when the thermo-optic coefficient of the liquid ethanol used is higher than that of silicon dioxide and this temperature dependence is an increasing function of the d/Λ ratio and the input wavelength. All the experiments and simulations are discussed in this paper and the temperature sensitivity of transmission power was experimentally determined to be 0.315 dB/°C for a 10-cm long PCF.

© 2010 OSA

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(230.1150) Optical devices : All-optical devices
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

ToC Category:

Original Manuscript: May 24, 2010
Revised Manuscript: June 23, 2010
Manuscript Accepted: June 25, 2010
Published: July 2, 2010

Yongqin Yu, Xuejin Li, Xueming Hong, Yuanlong Deng, Kuiyan Song, Youfu Geng, Huifeng Wei, and Weijun Tong, "Some features of the photonic crystal fiber temperature sensor with liquid ethanol filling," Opt. Express 18, 15383-15388 (2010)

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