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摘要
The polarization-dependent properties of electromagnetic plane wave scattering from active cylindrical coated nano-particle (C-CNP) antennas are investigated in the visible frequency band. It is demonstrated with three independent orthogonal polarizations that the dipole mode is excited resonantly in each case, even though the resonant size of the particles, as seen by these normally incident plane waves, is different. Moreover, the scattering behaviors for various angles of incidence are studied. It is shown that the polarization state along the main axis of the cylinder dominates the scattering properties of these resonant, active C-CNP's; and because of the natural symmetry, they mainly depend on the elevation angle and not the azimuth angle .
- 出版日期2013-7-1
- 单位上海交通大学
