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表面损伤衍射双向反射分布函数模型建立及分析

陆敏 王治乐 张树青

陆敏, 王治乐, 张树青. 表面损伤衍射双向反射分布函数模型建立及分析[J]. 中国光学, 2021, 14(2): 375-381. doi: 10.37188/CO.2020-0162
引用本文: 陆敏, 王治乐, 张树青. 表面损伤衍射双向反射分布函数模型建立及分析[J]. 中国光学, 2021, 14(2): 375-381. doi: 10.37188/CO.2020-0162
LU Min, WANG Zhi-le, ZHANG Shu-qing. Establishment and analysis of the diffraction bidirectional reflection distribution function model for surface defects[J]. Chinese Optics, 2021, 14(2): 375-381. doi: 10.37188/CO.2020-0162
Citation: LU Min, WANG Zhi-le, ZHANG Shu-qing. Establishment and analysis of the diffraction bidirectional reflection distribution function model for surface defects[J]. Chinese Optics, 2021, 14(2): 375-381. doi: 10.37188/CO.2020-0162

表面损伤衍射双向反射分布函数模型建立及分析

doi: 10.37188/CO.2020-0162
基金项目: 中国航空研究院航空科学基金(No. 20160177007)
详细信息
    作者简介:

    陆敏:陆 敏(1994—),女,吉林白山人,博士研究生,2015年于长春理工大学获得学士学位,主要从事光学检测方面的研究。E-mail:18243087454@163.com

    王治乐(1975—),男,河南偃师人,博士,教授,主要从事光学检测技术和光电系统半实物仿真技术方面的研究。E-mail:wangzhile@hit.edu.cn

  • 中图分类号: O436

Establishment and analysis of the diffraction bidirectional reflection distribution function model for surface defects

Funds: Supported by Aviation Science Foundation of China Aviation Research Institute (No. 20160177007)
More Information
  • 摘要: 建立了包括划痕和坑点在内的表面损伤的衍射双向反射分布函数(BRDF)模型,并分析了模型在各领域中的应用。通过使用非傍轴标量衍射理论,提出了采用相干窗口函数滤波的方法得到非相干光条件下的表面损伤衍射BRDF模型,得到了表面划痕和坑点的散射特性。该方法在表面损伤检测、表面损伤杂光分析以及图像渲染技术等领域都有重要的应用价值。
  • 图  1  非相干辐射原理

    Figure  1.  Incoherent illumination theory

    图  2  波长为(a) 0.3 μm,(b) 0.5 μm及(c) 0.8 μm的划痕仿真结果

    Figure  2.  Simulation results of scratches with a wavelength of (a) 0.3 μm, (b) 0.5 μm and (c) 0.8 μm

    图  3  不同级数表面损伤的TIS

    Figure  3.  TIS with different defect grade numbers

    图  4  粗糙材料表面(a)和光滑材料表面(b)划痕的BRDF影响

    Figure  4.  BRDF effect of a scratch on a rough material surface (a) and a smooth material surface (b)

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    LU M, WANG ZH L, GAO P P, et al. A sub-aperture scanning Fourier transform system for fast BRDF measurements[J]. Acta Optica Sinica, 2020, 40(13): 1329001. (in Chinese) doi: 10.3788/AOS202040.1329001
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出版历程
  • 收稿日期:  2020-09-07
  • 修回日期:  2020-09-23
  • 网络出版日期:  2021-02-08
  • 刊出日期:  2021-04-01

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