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Electromagnetic Green's function for layered systems: Applications to nanohole interactions in thin metal films

Peter Johansson (Institutionen för teknisk fysik, Bionanofotonik)
Physical Review B (1098-0121). Vol. 83 (2011), 19,
[Artikel, refereegranskad vetenskaplig]

We derive expressions for the electromagnetic Green's function for a layered system using a transfer matrix technique. The expressions we arrive at make it possible to study symmetry properties of the Green's function, such as reciprocity symmetry, and the long-range properties of the Green's function which involves plasmon waves as well as boundary waves, also known as Norton waves. We apply the method by calculating the light-scattering cross section off a chain of nanoholes in a thin Au film. The results highlight the importance of nanohole interactions mediated by surface plasmon propagating along the chain of holes.

Nyckelord: enhanced raman-scattering, surface-plasmon resonance, extraordinary, optical-transmission, subwavelength hole arrays, time-domain method, photon-emission, molecules, light, field, spectroscopy

Denna post skapades 2011-06-07. Senast ändrad 2011-07-05.
CPL Pubid: 141389


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Institutioner (Chalmers)

Institutionen för teknisk fysik, Bionanofotonik (2007-2015)



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