A photonic crystal fiber temperature sensor based on forward stimulated fluorescence emission

Xuejin Li; Xueming Hong; Yuanlong Deng; Yongqin Yu; Youfu Geng; Huifeng Wei; Weijun Tong

doi:10.1117/12.884942

17 May 2011 A photonic crystal fiber temperature sensor based on forward stimulated fluorescence emission

Xuejin Li, Xueming Hong, Yuanlong Deng, Yongqin Yu, Youfu Geng, Huifeng Wei, Weijun Tong

Proceedings Volume 7753, 21st International Conference on Optical Fiber Sensors; 77533T (2011) https://doi.org/10.1117/12.884942
Event: 21st International Conference on Optical Fibre Sensors (OFS21), 2011, Ottawa, Canada

Abstract

In this paper, we present a novel optical fiber fluorescent temperature sensor based on photonic crystal fiber(PCF) and its theory of forward stimulated fluorescence emission in PCF. It is realized by liquid filling in hollow-core PCF, the liquid is of higher temperature coefficient of refractive index than that of silicon, and is mixed with fluorescent material. Stimulating light and fluorescence propagating in the fiber are in the same direction. Because the band gaps of PCF are modulated by temperature, besides the sensitivity of fluorescence, the stimulating light passing through the photonic crystal fiber is also sensitive to temperature. Experiment results and theory modulation show that when PCF length is shorter than an optimum length, stimulating light in fiber will increase and fluorescence will decline gradually with the increase of temperature.

Citation Download Citation

Xuejin Li, Xueming Hong, Yuanlong Deng, Yongqin Yu, Youfu Geng, Huifeng Wei, and Weijun Tong "A photonic crystal fiber temperature sensor based on forward stimulated fluorescence emission", Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77533T (17 May 2011); https://doi.org/10.1117/12.884942

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