科研之友
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摘要
An isotropy terahertz (THz) metamaterial for dual-band operation is designed and fabricated. The proposed metamaterial is composed of periodically arranged double metallic rings, and negative permittivity is obtained in 298388 GHz and 652780 GHz bands. Transmission and reflection characteristics of the proposed structure are simulated using Ansoft High Frequency Structure Simulator. The designed sample is fabricated on a gallium arsenide layer, and experiments are performed in THz time-domain spectroscopy. The experimental results agree well with the simulations.
- 出版日期2013-5
- 单位中国科学院; 中国科学院上海微系统与信息技术研究所; 西安电子科技大学
