Optical attenuation and plasmon generation on a metal grid

Michael M. Tilleman

doi:10.1117/12.930802

9 October 2012 Optical attenuation and plasmon generation on a metal grid

Michael M. Tilleman

Proceedings Volume 8457, Plasmonics: Metallic Nanostructures and Their Optical Properties X; 84572I (2012) https://doi.org/10.1117/12.930802
Event: SPIE NanoScience + Engineering, 2012, San Diego, California, United States

Abstract

Electromagnetic radiation is attenuated by a metal grid disposed on a substrate. The magnitude of extinction is a combination of the total scattering and surface plasmon absorption, as predicted by the Mie theory adapted to the case at hand. Experimental measurements conducted over a wide wavelength range using a metal grid on a sapphire window support the calculations. We analyzed the electric field generated in the wire mesh by the Drude-Lorentz theory. While the analysis and data show that the attenuation across a window covered by a wire mesh consists of a combination of the Fresnel and Mie losses, a considerable plasmon field is generated in the wire. Further it is shown that under visible illumination the metal grid generates enough electrical filed to substantially elevate the window temperature.

Citation Download Citation

Michael M. Tilleman "Optical attenuation and plasmon generation on a metal grid", Proc. SPIE 8457, Plasmonics: Metallic Nanostructures and Their Optical Properties X, 84572I (9 October 2012); https://doi.org/10.1117/12.930802

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