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Experimental study of regional fractal speckle produced in large angle scattering

ISSN号：1674-1056
期刊名称：《中国物理B：英文版》
时间：0
分类：O436.1[机械工程—光学工程;理学—光学;理学—物理] O211.62[理学—概率论与数理统计;理学—数学]
作者机构：[1]School of Science, Shandong Jianzhu University, Jinan 250101, China, [2]College of Physics and Electronics, Shandong Normal University, 3inan 250014, China, [3]School of Mathematical and Physical Sciences, Shandong Institute of Light Industry, Jinan 250100, China
相关基金：Project supported by the National Natural Science Foundation of China （Grant Nos. 10974122 and 10874105）, the Science and Technology Research Project of Shandong Province of China （Grant No. 2009CG10001005）, the Shandong Distinguished Middleaged and Young Scientist Encourage and Reward Foundation, China （Grant Nos. 2007BS04031 and BS2009SF020）, and the State Key Development Program for Basic Research of China （Grant No. 2006CB806003）.

作者：宋洪胜[1,2], 程传福[1], 刘云燕[1,3], 刘桂媛[1,2], 滕树云[1]

关键词：菲涅耳衍射区, 分形性质, 散斑, 基尔霍夫近似, 强度分布, 检测实验, 菲涅尔衍射, 随机理论, fractal, speckle, extremely deep Fresnel diffraction region

中文摘要：

Based on the Kirchhoff approximation and the theoretical analysis of the random light fields,the speckle intensity distributions in the extremely deep Fresnel diffraction region are simulated.The fractal property of the speckles as well as the relation between the speckle intensity distribution and the corresponding random surface is investigated.We design a microscope system to detect experimentally the speckles in the extremely deep Fresnel diffraction region,and the experimental results prove the conclusions drawn from our simulations.更多还原

英文摘要：

Based on the Kirchhoff approximation and the theoretical analysis of the random light fields, the speckle intensity distributions in the extremely deep Fresnel diffraction region are simulated. The fractal property of the speckles as well as the relation between the speckle intensity distribution and the corresponding random surface is investigated. We design a microscope system to detect experimentally the speckles in the extremely deep Fresnel diffraction region, and the experimental results prove the conclusions drawn from our simulations.

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