Ultra-sensitive temperature sensor based on liquid crystal infiltrated photonic crystal fibers

Bing Sun; Yijian Huang; Chao Wang; Jun He; Changrui Liao; Guolu Yin; Jiangtao Zhou; Shen Liu; Jing Zhao; Yiping Wang

doi:10.1117/12.2184227

1 July 2015 Ultra-sensitive temperature sensor based on liquid crystal infiltrated photonic crystal fibers

Bing Sun, Yijian Huang, Chao Wang, Jun He, Changrui Liao, Guolu Yin, Jiangtao Zhou, Shen Liu, Jing Zhao, Yiping Wang

Proceedings Volume 9655, Fifth Asia-Pacific Optical Sensors Conference; 96551W (2015) https://doi.org/10.1117/12.2184227
Event: Fifth Asia Pacific Optical Sensors Conference, 2015, Jeju, Korea, Republic of

Abstract

We investigated experimentally liquid crystal (LC) filled photonic crystal fiber’s temperature responses at different temperature ranging from 30 to 80°C. Experimental evidences presented that the LC’s clearing point temperature was 58°C, which is consistent with the theoretical given value. The bandgap transmission was found to have opposite temperature responses lower and higher than the LC’s clearing point temperature owing to its phase transition property. A high bandgap tuning sensitivity of 105 nm/°C was achieved around LC’s clearing point temperature.

Citation Download Citation

Bing Sun, Yijian Huang, Chao Wang, Jun He, Changrui Liao, Guolu Yin, Jiangtao Zhou, Shen Liu, Jing Zhao, and Yiping Wang "Ultra-sensitive temperature sensor based on liquid crystal infiltrated photonic crystal fibers", Proc. SPIE 9655, Fifth Asia-Pacific Optical Sensors Conference, 96551W (1 July 2015); https://doi.org/10.1117/12.2184227

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