High-sensitive temperature sensor based on alcohol-filled highly birefringent photonic crystal fiber loop mirror

Shaoling He; Chun-Liu Zhao; Xinyong Dong; Shuqiin Zhang; Shangzhong Jin; Jiangtao Guo; Huifeng Wei

doi:10.1117/12.884949

17 May 2011 High-sensitive temperature sensor based on alcohol-filled highly birefringent photonic crystal fiber loop mirror

Shaoling He, Chun-Liu Zhao, Xinyong Dong, Shuqiin Zhang, Shangzhong Jin, Jiangtao Guo, Huifeng Wei

Author Affiliations +

Proceedings Volume 7753, 21st International Conference on Optical Fiber Sensors; 77533U (2011) https://doi.org/10.1117/12.884949
Event: 21st International Conference on Optical Fibre Sensors (OFS21), 2011, Ottawa, Canada

Abstract

A novel compact temperature sensor based on a fiber loop mirror (FLM) combined with an alcohol-filled highlybirefringent photonic crystal fiber (HiBi-PCF) is proposed and experimentally demonstrated. The output of the FLM is an interference spectrum with many dips, of which the resonant wavelengths are quite sensitive to temperature because the interference of the FLM is sensitive to the optical path difference due to the refractive index change of the filled alcohol. Experimental results show that the temperature sensitivity reaches up to 5.42nm/°C for a 6.3cm long alcoholfilled PCF used in the FLM.

Citation Download Citation

Shaoling He, Chun-Liu Zhao, Xinyong Dong, Shuqiin Zhang, Shangzhong Jin, Jiangtao Guo, and Huifeng Wei "High-sensitive temperature sensor based on alcohol-filled highly birefringent photonic crystal fiber loop mirror", Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77533U (17 May 2011); https://doi.org/10.1117/12.884949

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