High-Sensitivity Temperature Sensor Based on the Perfect Metamaterial Absorber in the Terahertz Band-Reference-Cited by-同舟云学术

High-Sensitivity Temperature Sensor Based on the Perfect Metamaterial Absorber in the Terahertz Band

Published:2023-01-13 Issue:1 Volume:10 Page:92
ISSN:2304-6732
Container-title:Photonics
language:en
Short-container-title:Photonics

Author:

Wang Yan¹,Qiu Yanqing¹^ORCID,Zhang Yingping¹,Lang Tingting²^ORCID,Zhu Fengjie³

Affiliation:

1. Institute of Optoelectronic Technology, China Jiliang University, Hangzhou 310018, China

2. School of Information and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou 310023, China

3. The First School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou 310003, China

Abstract

In this study, a perfect metamaterial absorber (PMMA) based on an indium antimonide temperature-sensitive material is designed and investigated in the terahertz region. We demonstrate that it is an ideal perfect narrow-band absorber with polarization-insensitive and wide-angle absorption properties. Numerical simulation results show that the proposed PMMA can be operated as a temperature sensor with a sensitivity of 21.9 GHz/K. A graphene layer was added to the PMMA structure to improve the sensitivity, and the temperature sensitivity was increased to 24.4 GHz/K. Owing to its excellent performance, the proposed PMMA can be applied in thermal sensing, detection, and switching.

Funder

National Natural Science Foundation of China

Fundamental Research Funds for the Provincial Universities of Zhejiang

Publisher

MDPI AG

Subject

Radiology, Nuclear Medicine and imaging,Instrumentation,Atomic and Molecular Physics, and Optics

Link

https://www.mdpi.com/2304-6732/10/1/92/pdf

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