随机粗糙金属表面光散射中对立效应的实验研究。
Experimental study of the opposition effect in the scattering of light from a randomly rough metal surface.
作者信息
Gu Z H, Dummer R S, Maradudin A A, McGurn A R
出版信息
Appl Opt. 1989 Feb 1;28(3):537-43. doi: 10.1364/AO.28.000537.
The opposition effect manifested as a narrow peak in the angular distribution of the intensity of diffusely scattered light in the backward (antispecular or retroreflection) direction has been experimentally investigated. A monostatic bidirectional laser reflectometer was used to measure the opposition effect of copper and gold surfaces under illumination at 0.6328 microm. The results are compared with a recent theory of the elastic scattering of light from a randomly rough metal surface that predicts such a peak in the retroreflectance direction, which, in certain conditions, can be related to the localization of surface polaritons.
在反向（反镜面或后向反射）方向上，漫散射光强度的角分布中呈现出窄峰的反向散射效应已得到实验研究。使用单静态双向激光反射仪测量了在0.6328微米波长光照下铜和金表面的反向散射效应。将结果与最近关于来自随机粗糙金属表面的光弹性散射的理论进行了比较，该理论预测在后向反射方向会出现这样一个峰，在某些条件下，这可能与表面极化激元的局域化有关。
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