Narrow bandwidth metamaterial sensor based on periodic grating structure for temperature sensing

Gang Zhao; Pingwei Zhou; Zeren Li; Lianghui Du; Liguo Zhu

doi:10.1117/12.2584719

2 December 2020 Narrow bandwidth metamaterial sensor based on periodic grating structure for temperature sensing

Gang Zhao, Pingwei Zhou, Zeren Li, Lianghui Du, Liguo Zhu

Proceedings Volume 11717, 24th National Laser Conference & Fifteenth National Conference on Laser Technology and Optoelectronics; 117170H (2020) https://doi.org/10.1117/12.2584719
Event: 24th National Laser Conference & Fifteenth National Conference on Laser Technology and Optoelectronics, 2020, Shanghai, China

Abstract

Metamaterials has become a hot research field in recent years due to its unique artificial electromagnetic proper- ties. It has the potential to realize high-performance temperature sensors because its resonance features are highly dependent on the surrounding environment. In this paper, we designed a metamaterial sensor with two-layer grating structure and studied the relationship between its resonance dip and the incident angle of electromagnetic wave. By fixing the incident angle at a proper value, we realized a highly sensitive temperature sensor. The measured temperature sensitivity and limit of detection are about 0.766%/°C and 0.154°C, respectively.

Citation Download Citation

Gang Zhao, Pingwei Zhou, Zeren Li, Lianghui Du, and Liguo Zhu "Narrow bandwidth metamaterial sensor based on periodic grating structure for temperature sensing", Proc. SPIE 11717, 24th National Laser Conference & Fifteenth National Conference on Laser Technology and Optoelectronics, 117170H (2 December 2020); https://doi.org/10.1117/12.2584719

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