Modeling Electrical Properties of Gold Films at Infrared Frequency Using FDTD Method

Authors: Rui Qiang; Richard L. Chen; Ji Chen

Source: International Journal of Infrared and Millimeter Waves, Volume 25, Number 8, August 2004 , pp. 1263-1270(8)

Publisher: Springer

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Abstract:

The finite-difference time-domain (FDTD) algorithm is applied to analyze the electrical properties of gold films, whose relative permittivity is described by the Lorentz-Drude model in infrared and optical frequencies. The skin depth and reflectivity are calculated using the frequency-dependent FDTD method. The results are compared to analytical solutions and an excellent agreement is reported.

Keywords: FDTD; Gold Film; Skin depth and Reflectivity

Document Type: Research article

DOI: http://dx.doi.org/10.1023/B:IJIM.0000042759.67055.7a

Affiliations: 1: Department of Electrical and Computer Engineering, University of Houston, 4800 Calhoun, Houston, Texas 77204, USA

Publication date: 2004-08-01