Title :
Resonant scattering of light by finite sparse configurations of silver nanowires
Author :
Natarov, Denys M. ; Sauleau, Ronan ; Nosich, Alexander I.
Author_Institution :
Lab. of Micro & Nano-Opt., Inst. of Radio-Phys. & Electron., Kharkiv, Ukraine
Abstract :
We consider the two-dimensional (2-D) scattering of the H-polarized plane wave by three discrete configurations made of periodically arranged circular cylindrical wires, using the field expansions in local coordinates and addition theorems for cylindrical functions. Resulting block-type matrix equation is cast to the Fredholm second-kind form that guarantees convergence of numerical solution. The scattering and absorption cross-sections and the near-field patterns are computed. The interplay of plasmon and grating-type resonances is studied for discrete arrays, corners and crosses made of nano-size silver wires in the visible range of wavelengths.
Keywords :
Fredholm integral equations; convergence of numerical methods; diffraction gratings; light absorption; light polarisation; light scattering; matrix algebra; nanowires; plasmons; resonance; silver; 2D scattering; Fredholm second-kind form; H-polarized plane wave scattering; absorption cross-sections; block-type matrix equation; convergence of numerical solution; discrete arrays; finite sparse configurations; grating-type resonances; local coordinates; nanosize silver wire corners; near-field patterns; periodically arranged circular cylindrical wires; plasmon resonances; resonant light scattering; scattering cross-sections; silver nanowires; two-dimensional scattering; Equations; Gratings; Nanowires; Plasmons; Scattering; Silver; Wires; grating resonance; nanowire grating; plasmon resonance; scattering;
Conference_Titel :
Antennas and Propagation (EUCAP), 2012 6th European Conference on
Conference_Location :
Prague
Print_ISBN :
978-1-4577-0918-0
Electronic_ISBN :
978-1-4577-0919-7
DOI :
10.1109/EuCAP.2012.6205997
