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Active metasurface for controlling reflection and absorption properties
- Authors
- Yoo, Minyeong; Lim, Sungjoon
- Issue Date
- Nov-2014
- Publisher
- IOP PUBLISHING LTD
- Citation
- APPLIED PHYSICS EXPRESS, v.7, no.11, pp 112204
- Journal Title
- APPLIED PHYSICS EXPRESS
- Volume
- 7
- Number
- 11
- Start Page
- 112204
- ISSN
- 1882-0778
1882-0786
- Abstract
- A novel active metasurface is proposed in this paper. The proposed metasurface can be electronically switched between the reflection and the absorption modes by a tunable component, such as a PIN diode. When the PIN diode is in the on-state, the proposed metasurface exhibits near-perfect absorptivity at 10 GHz. On the other hand, when the PIN diode is in the off-state, the proposed metasurface exhibits near-perfect reflectivity over a wide bandwidth at 10 GHz. A unit cell is designed to include a DC bias network, which yields reliable performance. (C) 2014 The Japan Society of Applied Physics
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