Comparison of the domain of validity of several approximate surface scatter theories

Narak Choi; James E. Harvey

doi:10.1117/12.930558

15 October 2012 Comparison of the domain of validity of several approximate surface scatter theories

Narak Choi, James E. Harvey

Proceedings Volume 8495, Reflection, Scattering, and Diffraction from Surfaces III; 849504 (2012) https://doi.org/10.1117/12.930558
Event: SPIE Optical Engineering + Applications, 2012, San Diego, California, United States

Abstract

A new generalized Harvey-Shack (GHS) surface scatter theory is numerically compared to the classical small perturbation method (SPM), the Kirchhoff approximation method (KM) and the rigorous method of moment (MoM) for one-dimensional ideally conducting surfaces whose surface power spectral density function is Gaussian or abc-function. In spite of its simple analytic form, our numerical comparison shows that the new GHS theory is valid (with reasonable accuracy) over a broader range of surface parameter space than either of the two classical surface scatter theories.

Citation Download Citation

Narak Choi and James E. Harvey "Comparison of the domain of validity of several approximate surface scatter theories", Proc. SPIE 8495, Reflection, Scattering, and Diffraction from Surfaces III, 849504 (15 October 2012); https://doi.org/10.1117/12.930558

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