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- Title
Diffraction of Electromagnetic Waves on Graphene Metasurfaces in the Terahertz Frequency Range.
- Authors
Makeeva, G. S.; Golovanov, O. A.
- Abstract
Using the method of autonomous blocks with Floquet channels (FAB), the boundary value problem of diffraction for metasurfaces made of rectangular graphene nanoribbons is solved. The descriptor (conductivity matrix Y) of the FAB (metasurface unit cell) is determined from the solution of the diffraction problem by the Galerkin projection method. The results of calculating the frequency dependences of transmittance of TEM-wave through metasurfaces with changes in the structure period, chemical potential, orientation angle of the electric field vector of the incident TEM-wave to graphene nanoribbons, as well as polarization characteristics in the THz frequency range were obtained.
- Subjects
SUBMILLIMETER waves; WAVE diffraction; GRAPHENE; BOUNDARY value problems; ELECTROMAGNETIC wave absorption; VECTOR fields; GALERKIN methods; UNIT cell
- Publication
Technical Physics Letters, 2023, Vol 49, Issue 7, p78
- ISSN
1063-7850
- Publication type
Article
- DOI
10.1134/S1063785023090018