Laser scattering from arbitrarily shaped large objects with randomly rough surfaces

Gerard Berginc

doi:10.1117/12.2320108

4 September 2018 Laser scattering from arbitrarily shaped large objects with randomly rough surfaces

Gerard Berginc

Proceedings Volume 10750, Reflection, Scattering, and Diffraction from Surfaces VI; 1075002 (2018) https://doi.org/10.1117/12.2320108
Event: SPIE Optical Engineering + Applications, 2018, San Diego, California, United States

Abstract

In this paper we will discuss theoretical modeling of laser scattering from complex and large objects. We will describe the main features of scattering cross-section calculation of randomly rough objects, some of its uses and the basis for its validity with different calculation examples. The computation of scattering cross-sections is performed in four steps, mathematical description of the surface, description of electromagnetic and statistical parameters associated with elementary facets representing the object surface, calculation and summation of the backscattered cross-sections from the different elementary facets. Thereby the coherent and incoherent scattering cross-sections of the object are obtained. With this numerical method we can compute resolved and unresolved cross-sections.

Conference Presentation

Citation Download Citation

Gerard Berginc "Laser scattering from arbitrarily shaped large objects with randomly rough surfaces", Proc. SPIE 10750, Reflection, Scattering, and Diffraction from Surfaces VI, 1075002 (4 September 2018); https://doi.org/10.1117/12.2320108

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