Paper Title:
Surface Plasmon Polaritons: Propagation Characteristics of Surface Plasmon Waves on Au and Ag at Optical Wavelengths
  Abstract

The existence of Surface Plasmons (SPs) is possible only if the metal have a negative dielectric constant at the corresponding optical frequency. In this paper the propagation characteristics of Surface Plasmon Waves (SPWs) which exists on noble metals like gold (Au) and silver (Ag) due to the formation of Surface Plasmon Polaritons (SPPs), have been evaluated theoretically and simulated with the help of MATLAB programming language. The variation of the propagation constant (PC), the attenuation coefficient (AC) and the penetration depth (PD) inside the metals and the dielectric has been determined. It has been found that highly conducting metals Au and Ag provide a strong confinement to the SPWs at optical frequencies.

  Info
Periodical
Chapter
Chapter 4: Surface, Subsurface, and Interface Phenomena
Edited by
Wu Fan
Pages
764-768
DOI
10.4028/www.scientific.net/AMM.110-116.764
Citation
N. P. Maity, R. Maity, "Surface Plasmon Polaritons: Propagation Characteristics of Surface Plasmon Waves on Au and Ag at Optical Wavelengths", Applied Mechanics and Materials, Vols. 110-116, pp. 764-768, 2012
Online since
October 2011
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$32.00
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