Application of the boundary-element method to the interaction of light with single and coupled metallic nanoparticles

Carsten Rockstuhl, Martin Guy Salt, Hans Peter Herzig
2003 Optical Society of America. Journal A: Optics, Image Science, and Vision  
The boundary-element method is applied to the interaction of light with resonant metallic nanoparticles. At a certain wavelength, excitation of a surface plasmon takes place, which leads to a resonantly enhanced near-field amplitude and a large scattering cross section. The resonance wavelength for different scatterer geometries is determined. Alteration of the scattering properties in the presence of other metallic nanoparticles is discussed. To treat this problem, a novel formulation of the
more » ... undary-element method is presented that solves the interaction problem for all the coupled particles.
doi:10.1364/josaa.20.001969 pmid:14570111 fatcat:r44ppnri7retnnastz2vg3ficq