| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Light Scattering of Rough Orthogonal Anisotropic Surfaces with Secondary Most Probable Slope Distributions |
| LI Hai-Xia1,2, CHENG Chuan-Fu1**
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1College of Physics and Electronics, Shandong Normal University, Jinan 250014
2Department of Information Science and Technology, Shandong University of Politics Science and Law, Jinan 250014
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| Cite this article: |
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LI Hai-Xia, CHENG Chuan-Fu 2011 Chin. Phys. Lett. 28 084210 |
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Abstract We study the light scattering of an orthogonal anisotropic rough surface with secondary most probable slope distribution. It is found that the scattered intensity profiles have obvious secondary maxima, and in the direction perpendicular to the plane of incidence, the secondary maxima are oriented in a curve on the observation plane, which is called the orientation curve. By numerical calculation of the scattering wave fields with the height data of the sample, it is validated that the secondary maxima are induced by the side face element, which constitutes the prismoid structure of the anisotropic surface. We derive the equation of the quadratic orientation curve. Experimentally, we construct the system for light scattering measurement using a CCD. The scattered intensity profiles are extracted from the images at different angles of incidence along the orientation curves. The experimental results conform to the theory.
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| Keywords:
42.25.Bs
78.20.Ek
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Received: 11 March 2011
Published: 28 July 2011
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| PACS: |
42.25.Bs
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(Wave propagation, transmission and absorption)
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78.20.Ek
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(Optical activity)
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