A switchable terahertz device combining ultra-wideband absorption and ultra-wideband complete reflection

Author:

Zheng Zhipeng1,Zheng Ying1,Luo Yao1ORCID,Yi Zao1ORCID,Zhang Jianguo2,Liu Zhimin3,Yang Wenxing4,Yu Yang5,Wu Xianwen6,Wu Pinghui7

Affiliation:

1. Joint Laboratory for Extreme Conditions Matter Properties, Southwest University of Science and Technology, Mianyang 621010, China

2. Department of Physics, Jinzhong University, Jinzhong 030619, China

3. School of Science, East China Jiaotong University, Nanchang 330013, China

4. School of Physics and Optoelectronic Engineering, Yangtze University, Jingzhou, Hubei 434023, China

5. College of Liberal Arts and Sciences, National University of Defense Technology, Changsha 410073, China

6. School of Chemistry and Chemical Engineering, Jishou University, Jishou 416000, China

7. Fujian Provincial Key Laboratory for Advanced Micro-nano Photonics Technology and Devices, Quanzhou Normal University, Quanzhou 362000, China

Abstract

A metamaterial absorber based on the thermotropic phase change material VO2 has been designed. Flexible switching of absorption performance (bandwidth is 3.3 THz) can be achieved through temperature adjustment.

Funder

National Natural Science Foundation of China

Southwest University of Science and Technology

Publisher

Royal Society of Chemistry (RSC)

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy

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