Analysis of temperature sensing characteristics of photonic bandgap photonic crystal fiber

ZHANG Min; LIU Min; SUN Shi-hong; MA Ling-fang; HE Feng-liang

doi:10.3969/j.issn.1001-3806.2012.02.015

LASER TECHNOLOGY > 2012 > 36(2): 204-207. > DOI: 10.3969/j.issn.1001-3806.2012.02.015

ZHANG Min, LIU Min, SUN Shi-hong, MA Ling-fang, HE Feng-liang. Analysis of temperature sensing characteristics of photonic bandgap photonic crystal fiber[J]. LASER TECHNOLOGY, 2012, 36(2): 204-207. DOI: 10.3969/j.issn.1001-3806.2012.02.015

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Analysis of temperature sensing characteristics of photonic bandgap photonic crystal fiber

College of Communications Engineering, Chongqing University, Chongqing 400044, China

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Received Date: June 14, 2011
Revised Date: June 28, 2011
Published Date: March 24, 2012

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Abstract

In order to improve the temperature sensitivity of photonic bandgap fiber,a new structure was proposed merging high refractive index liquid cylinders into the surround of the fiber core.By means of full-vector finite element method,the influence of temperature on the effective refractive index,core energy,effective mode area was obtained.The numerical results show that when the temperature increases,the effective refractive index and the effective mode area decrease,the core energy increases,and the zero dispersion wavelength moves towards longer wavelength.These changes are quite significant when the wavelength is short.The proposed structure improves the temperature sensitivity of the transmission characteristics,which makes photonic bandgap photonic crystal fibers more suitable for temperature sensing applications.

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