https://doi.org/10.1051/epjap/2020200145
Regular Article
Single-peak-regulation and wide-angle dual-band metamaterial absorber based on hollow-cross and solid-cross resonators
1
College of Physics and Electronics, Central South University, Changsha 410083, P.R. China
2
Provincial Key Laboratory of Informational Service for Rural Area of Southwestern Hunan, Shaoyang University, Shaoyang 422000, P.R. China
3
School of Mathematics and Statistics, Hunan University of Technology and Business, Changsha 410205, P.R. China
4
School of Computer Science and Engineer, Central South University, Changsha 410083, P.R. China
* e-mail: hlh881219@163.com; afengliu@mail.csu.edu.cn
Received:
22
May
2020
Received in final form:
1
July
2020
Accepted:
20
July
2020
Published online: 8 September 2020
A dual-band microwave metamaterial absorber with single-peak regulation and wide-angle absorption has been proposed and illustrated. The designed metamaterial absorber is consisted of hollow-cross resonators, solid-cross resonators, dielectric substrate and metallic background plane. Strong absorption peak coefficients of 99.92% and 99.55% are achieved at 8.42 and 11.31 GHz, respectively, which is basically consistent with the experimental results. Surface current density and changing material properties are employed to illustrate the absorptive mechanism. More importantly, the proposed dual-band metamaterial absorber has the adjustable property of single absorption peak and could operate well at wide incidence angles for both transverse electric (TE) and transverse magnetic (TM) waves. Research results could provide and enrich instructive guidances for realizing a single-peak-regulation and wide-angle dual-band metamaterial absorber.
© EDP Sciences, 2020
