Research on generated mechanism of scattering characteristic of random rough dielectric surface

Jiang Shu; Jiancheng Lai; Chunyong Wang; Zhenhua Li; Baomin Bian; Jian Lu

doi:10.1117/12.870118

15 November 2010 Research on generated mechanism of scattering characteristic of random rough dielectric surface

Jiang Shu, Jiancheng Lai, Chunyong Wang, Zhenhua Li, Baomin Bian, Jian Lu

Proceedings Volume 7854, Infrared, Millimeter Wave, and Terahertz Technologies; 78540T (2010) https://doi.org/10.1117/12.870118
Event: Photonics Asia 2010, 2010, Beijing, China

Abstract

On the basis of electromagnetic theory, the scattering light intensity from a series of dielectric surfaces with different roughness is calculated by using monte-carlo method and the boundary condition of Kirchhoff approximation. The geometry profile of rough surfaces obeys Guass distribution and all of the surfaces have the same corelation length. With the increasing of rms height, the width of diffuse scattering intensity distribution, the attenuation of scattering peak value and its moving to the normal direction are observed. After theoretical analysis, it is obtained that the statistical distribution of the local slope varies with the rms height and reflecting index of these local slope are the main reasons for these phenomenon.

Citation Download Citation

Jiang Shu, Jiancheng Lai, Chunyong Wang, Zhenhua Li, Baomin Bian, and Jian Lu "Research on generated mechanism of scattering characteristic of random rough dielectric surface", Proc. SPIE 7854, Infrared, Millimeter Wave, and Terahertz Technologies, 78540T (15 November 2010); https://doi.org/10.1117/12.870118

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