Broadband transparent metamaterial absorber in wireless communication band based on indium tin oxide film. Issue 12 (4th September 2019)

• Record Type: Journal Article
• Authors: Yu, Buyun; Zhao, Yongjiu; Chen, Jiaqing; Ge, Yue; Chen, Xiaofeng
• Is Part Of: International journal of RF and microwave computer-aided engineering. Volume 29:Issue 12(2019)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2019-09-04
• Subjects: broadband -- metamaterial absorber -- optical transparency -- polarization insensitive -- wide angle; Microwave devices -- Computer-aided design -- Periodicals; Computer-aided engineering -- Periodicals; 621.3813
• DOI: 10.1002/mmce.21955
• Languages: English
• ISSNs: 1096-4290

Abstract

Abstract: In this article, a broadband optically transparent metamaterial absorber in wireless communication band is proposed. Indium tin oxide (ITO) film, a kind of resistive transparent thin film, is utilized to construct the absorber unit to realize optical transparency, and increase ohmic loss to broaden the absorption bandwidth. The proposed absorber is fabricated and measured. The measurement results are in good agreement with the simulations. It is demonstrated that the absorption rate of the proposed absorber is higher than 90% from 1.67 to 3.8 GHz. The full width at half maximum bandwidth is 5.11 GHz from 0.89 to 6 GHz. In addition, the absorption response of the absorber remains stable regardless of polarization and incidence angle of the electromagnetic waves.