Enhanced Transmission through Randomly Rough Surfaces

机译：通过随机粗糙表面增强传输

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We present an experimental and theoretical study of two enhancement effects thatoccur in the transmission of light through a thin metal film whose illuminated surface is a one-dimensional random surface while its back surface is planar. The first is a well defined peak in the antispecular direction in the angular distribution of the intensity of the incoherent component of the transmitted light (enhanced transmission). The second is a additionally well defined peak in the forward direction in the angular distribution of the intensity of the incoherent component of the transmitted light, when the illuminated surface is not only randomly rough but has even symmetry as well (enhanced refraction). A fully automated bidirectional reflectometer has been used to measure the intensity of the incoherent component of He-Ne laser light transmitted through gold and silver films of these two types and the results are compared with the predictions of theoretical calculations of the enhancement effects.

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Gu, Z. H.; Maradudin, A. A.; Mendez, E. R.; Ponce, M. A.; Ruiz-Cortes, V.;
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年度 1991
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总页数 17
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Augmentation; Distribution; Gold; Intensity; Metal films; One dimensional; Predictions; Reflectometers; Silver; Transmittance; Forward scattering; Light scattering; Surface roughness; Laser beams; Helium neon lasers; Reprints;

机译：增强;分布;金;强度;金属薄膜;一维;预测;反射计;银;透射率;前向散射;光散射;表面粗糙度;激光束;氦氖激光器;重印;

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1. Observation of light transmission through randomly rough glass surfaces beyond the critical angle [J] . Martin Griswold, Mark Harrison, David Saltzberg Journal of the Optical Society of America, A. Optics, image science, and vision . 2007,第10期

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2. Effective ultrasonic transmission coefficient for randomly rough surfaces [J] . Kyle W. Hollman, Mark R. Holland, James G. Miller, The Journal of the Acoustical Society of America . 1996,第2期

机译：随机粗糙表面的有效超声传输系数
3. Suppressing GPR Clutter from Randomly Rough Ground Surfaces to Enhance Nonmetallic Mine Detection [J] . Carey Rappaport, Magda El-Shenawee, He Zhan Subsurface Sensing Technologies and Applications . 2003,第4期

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4. New features in the transmission of light through thin metal films with randomly rough surfaces [C] . Sanchez-Gil, J.A., Maradudin, Geoscience and Remote Sensing Symposium, 1994. IGARSS '94. Surface and Atmospheric Remote Sensing: Technologies, Data Analysis and Interpretation., International . 1994

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5. The prediction of fully-developed friction factors and Nusselt Numbers for randomly rough surfaces. [D] . Manning, Spencer Haynes. 2005

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8. Vertically and Horizontally Polarized Diffuse Double-Scatter Cross Sections ofOne-Dimensional Random Rough Surfaces That Exhibit Enhanced-Backscatter-Full-Wave Solutions [R] . Bahar, E., El-Shenawee, M. 1994

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Enhanced Transmission through Randomly Rough Surfaces

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