Materials, Photonic Devices, and Sensors

Study on temperature sensitivity of topological insulators based on long-period fiber grating

[+] Author Affiliations
Jianhua Luo, Chenghai Zhao, Jianbo Li, Mengdong He

Central South University of Forestry and Technology, College of Science, Hunan Changsha, China

Opt. Eng. 56(6), 067106 (Jun 12, 2017). doi:10.1117/1.OE.56.6.067106
History: Received March 13, 2017; Accepted May 23, 2017
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Abstract.  Based on a long-period fiber grating, we conducted experimental research on the temperature sensitivity of topological insulators. The long-period fiber grating and topological insulators solution were encapsulated in a capillary tube using UV glue, and the temperature response was measured. Within a range of 35 to 75 centigrade, one resonance dip of a long-period fiber grating exhibits a redshift of 1.536 nm. The temperature sensitivity is about 7.7 times of an ordinary long-period fiber grating’s sensitivity (0.005  nm/°C). A numerical simulation is also performed on the basis of the experiments.

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© 2017 Society of Photo-Optical Instrumentation Engineers

Citation

Jianhua Luo ; Chenghai Zhao ; Jianbo Li and Mengdong He
"Study on temperature sensitivity of topological insulators based on long-period fiber grating", Opt. Eng. 56(6), 067106 (Jun 12, 2017). ; http://dx.doi.org/10.1117/1.OE.56.6.067106


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