期刊
APPLIED PHYSICS LETTERS
卷 111, 期 5, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4996897
关键词
-
资金
- National Science Foundation [ECCS-1309835]
- DOE-Basic Energy Sciences [DE-FG02-09ER46643]
- China Scholarship Council (CSC)
- Div Of Electrical, Commun & Cyber Sys
- Directorate For Engineering [1309835] Funding Source: National Science Foundation
We present a three-dimensional terahertz metamaterial perfect absorber (MPA) that exhibits a high quality factor and is polarization insensitive. The unit cell is composed of two orthogonally oriented copper stand-up split ring resonators deposited on a copper ground plane with capacitive gaps in free space away from the substrate. Near unity (99.6%) absorption at similar to 1.65THz is experimentally obtained in excellent agreement with simulation results. The quality factor is similar to 37, which is quite large for a terahertz MPA because of reduced material losses in the all-metal structure. According to simulation results, the MPA is insensitive to the polarization of the incident wave, and more than 90% absorption can be achieved for angles of incidence up to 60 degrees for both TE and TM polarized incident THz waves. Published by AIP Publishing.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据