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- Title
Design of a Multi-functional Device Based on the Solid-state Plasma: Absorber and Splitter.
- Authors
Zhang, Hai-Feng; Yang, Jing; Zhang, Hao
- Abstract
We propose a multi-functional device by using the solid-state plasma, which can be called a plasma metamaterial absorber (PMA). The absorber can get tunable absorption spectrum by exciting different solid-state plasma resonance units. The common absorption frequency region of TE and TM waves can span from 1.7162 to 3.997 THz, whose absorption rate is is than 90%. The simulations also demonstrate that when the excited solid-state plasma resonance units are different, different operating states can be realized. The proposed PMA not only can be seen as an absorber but also can be considered as a reflector or a polarization splitter under different operating states. Moreover, by investigating the surface current, electric field, and energy loss, the physical mechanism of absorption of this PMA can be figured out, which is the magnetic resonance. Such a device also can potentially act as a space beam compiler.
- Subjects
SOLID-state plasmas; PLASMA resonance; SOLID-state fermentation; ENERGY dissipation; MAGNETIC resonance; ABSORPTION spectra; PERPENDICULAR magnetic anisotropy
- Publication
Plasmonics, 2020, Vol 15, Issue 4, p957
- ISSN
1557-1955
- Publication type
Article
- DOI
10.1007/s11468-019-01112-7