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Switchable Electromagnetic Reflector/Absorber with Electric-Field-Coupled LC Resonator
- Authors
- Yoo, M.; Lim, Sungjoon
- Issue Date
- Jun-2014
- Publisher
- TAYLOR & FRANCIS INC
- Keywords
- electric-field-coupled LC resonator; split-ring resonator; switchable; absorber; reflector
- Citation
- ELECTROMAGNETICS, v.34, no.5, pp 421 - 429
- Pages
- 9
- Journal Title
- ELECTROMAGNETICS
- Volume
- 34
- Number
- 5
- Start Page
- 421
- End Page
- 429
- ISSN
- 0272-6343
1532-527X
- Abstract
- This article presents a novel electromagnetic structure that is able to switch a reflector and absorber for multi-functional X-band environments. The periodic structure of a split-ring resonator is employed as an electric LC resonator The switching between absorption and reflector mode is achieved by connecting or disconnecting the main current path during on- and off-states, respectively. At 10 GHz, high absorption is obtained when the switch is in the on-state, while a perfect reflection is obtained when the switch is in the off-state. Simulation and measurement results demonstrate the performance of the proposed structure.
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