Near field scattered from fractal metal surfaces: classical electromagnetic mechanism in SERS

Jose Vicente Garcia-Ramos; Jose A. Sanchez-Gil

doi:10.1117/12.358417

6 July 1999 Near field scattered from fractal metal surfaces: classical electromagnetic mechanism in SERS

Jose Vicente Garcia-Ramos, Jose A. Sanchez-Gil

Author Affiliations +

Proceedings Volume 3572, 3rd Iberoamerican Optics Meeting and 6th Latin American Meeting on Optics, Lasers, and Their Applications; (1999) https://doi.org/10.1117/12.358417
Event: 3rd Iberoamerican Optics Meeting and 6th Latin American Meeting on Optics, Lasers, and Their Applications, 1998, Cartagena de Indias, Colombia

Abstract

By means of the rigorous integral equations describing the electromagnetic wave scattering, not subject to the constraints of electrostatic and/or dipolar approximations, we calculate the scattered electromagnetic field in the vicinity of random fractal metal surfaces. We study the classical electromagnetic enhancement, due to the excitation of surface plasmon polaritons, responsible in part for the SERS. The dependence of the field enhancement on substrate, excitation wavelength, fractality, and polarization is analyzed.

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Jose Vicente Garcia-Ramos and Jose A. Sanchez-Gil "Near field scattered from fractal metal surfaces: classical electromagnetic mechanism in SERS", Proc. SPIE 3572, 3rd Iberoamerican Optics Meeting and 6th Latin American Meeting on Optics, Lasers, and Their Applications, (6 July 1999); https://doi.org/10.1117/12.358417

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