Polarization of scattering by a rough paint surface

Soe-Mie F. Nee; Tsu-Wei Nee

doi:10.1117/12.453785

22 October 2002 Polarization of scattering by a rough paint surface

Soe-Mie F. Nee, Tsu-Wei Nee

Proceedings Volume 4780, Surface Scattering and Diffraction for Advanced Metrology II; (2002) https://doi.org/10.1117/12.453785
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

Principal Mueller matrices of scattering by a rough paint surface are measured. Null ellipsometry is used to measure the ellipsometric parameters and depolarization of scattering with small depolarization (< 0.2). Linear polarization, circular polarization, and principal Mueller matrix are obtained from the above measured quantities. Stokes method is used to measure the principle Mueller matrix for scattering with large depolarization (> 0.2), and all other polarization characteristics are derived from the principal Mueller matrix. Scattering is measured at fixed angle (2K) between the incident and detection directions, and variable sample orientation. The scattering and its polarization characteristics are symmetric with the off-specular angle (OSA). The measured linear polarization increases with increasing OSA, and may change sign for the cases of small K. The measured depolarization increases with increasing OSA more than linearly, and is larger for smaller K.

Citation Download Citation

Soe-Mie F. Nee and Tsu-Wei Nee "Polarization of scattering by a rough paint surface", Proc. SPIE 4780, Surface Scattering and Diffraction for Advanced Metrology II, (22 October 2002); https://doi.org/10.1117/12.453785

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