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Frontiers of Information Technology & Electronic Engineering

2021, Volume 22,  Issue 3, Pages 287-436
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    Affiliation(s): Center for THz Research, China Jiliang University, Hangzhou 310018, China; State Grid Sichuan Electric Power Company, Chengdu 610041, China; less

    Received：2020-04-06 Accepted： 2021-03-08 Available online：2021-03-08
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    10.1631/FITEE.2000079
    Cite this article
    Ri-hui Xiong, Xiao-qing Peng, Jiu-sheng Li,lijsh2008@126.com.2[J].Frontiers of Information Technology & Electronic Engineering,2021,22(3):287-436.

    Abstract

    We demonstrate a structure for tunable wide-incident-angle terahertz wave absorption, which involves depositing planar arrays of on a silicon dioxide substrate. We also discuss how the graphene Fermi-level layer and various substrates affect the absorption characteristics. The absorption of the proposed is above 80% at an incident angle of 0°–60° in frequencies ranging from 0.82 to 2.0 THz. Our results will be very beneficial in the application of terahertz wave communications and biomedical imaging/sensing systems.
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