Modeling Electrical Properties of Gold Films at Infrared Frequency Using FDTD Method
- Cite this article as:
- Qiang, R., Chen, R.L. & Chen, J. International Journal of Infrared and Millimeter Waves (2004) 25: 1263. doi:10.1023/B:IJIM.0000042759.67055.7a
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.