Modified Beckmann-Kirchoff scattering theory for nonparaxial angles

Cynthia L. Vernold; James E. Harvey

doi:10.1117/12.328477

30 October 1998 Modified Beckmann-Kirchoff scattering theory for nonparaxial angles

Cynthia L. Vernold, James E. Harvey

Proceedings Volume 3426, Scattering and Surface Roughness II; (1998) https://doi.org/10.1117/12.328477
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

The Beckmann-Kirchoff (B-K) classical scalar diffraction theory is commonly used in the scatter community to model and predict scattering behavior when surfaces are 'rough.' However, although the B-K theory can be used to model surfaces that are much rougher than other theories can handle, the B-K theory has a small-angle assumption inherent in its derivation. The paper illustrates a modified B-K theory that shows excellent agreement with experimental scattering data from rough surfaces for both large angles of incidence and scatter angles.

Citation Download Citation

Cynthia L. Vernold and James E. Harvey "Modified Beckmann-Kirchoff scattering theory for nonparaxial angles", Proc. SPIE 3426, Scattering and Surface Roughness II, (30 October 1998); https://doi.org/10.1117/12.328477

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