Optimization design of high-sensitivity temperature sensor based on Bragg grating in liquid-filled photonic crystal fibers

Wenqing Man; Jinpeng Feng; Jun Peng

doi:10.1117/1.OE.51.8.085004

2 August 2012 Optimization design of high-sensitivity temperature sensor based on Bragg grating in liquid-filled photonic crystal fibers

Wenqing Man, Jinpeng Feng, Jun Peng

Author Affiliations +

Optical Engineering, Vol. 51, Issue 8, 085004 (August 2012). https://doi.org/10.1117/1.OE.51.8.085004

Abstract

A high-sensitivity temperature sensor based on fiber Bragg gratings (FBGs) in liquid-filled photonic crystal fibers (PCFs) is proposed. PCF is designed using the full-vector finite-element method. To achieve the maximum difference of the core-mode effective index of PCF as the temperature change, the structural parameters of PCF are optimized via genetic algorithms. The calculated Bragg wavelength shift (BWS) value of FBGs in liquid-filled PCF is 263 pm/°C as the temperature changes from −15°C to 65°C.

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Wenqing Man, Jinpeng Feng, and Jun Peng "Optimization design of high-sensitivity temperature sensor based on Bragg grating in liquid-filled photonic crystal fibers," Optical Engineering 51(8), 085004 (2 August 2012). https://doi.org/10.1117/1.OE.51.8.085004

Published: 2 August 2012

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