| 圆形透镜的色散分析 |
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| 引用本文： | 张耀举,肖化层,危书义. 圆形透镜的色散分析[J]. 河南师范大学学报(自然科学版), 2003, 31(1): 47-50 |
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| 作者姓名： | 张耀举 肖化层 危书义 |
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| 作者单位： | 1. 温州师范学院物理与电子信息系,温州,325027
2. 河南师范大学物理与信息工程学院 |
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| 基金项目： | 温州师范学院高级人才工程基金资助 (2 0 0 2 - 2 5 ) . |
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| 摘 要： | 本应用标量衍射理论分析了色散对三维共焦成像系统超分辨的影响，数值计算了圆形透镜的色散，结果表明：焦斑的半径和焦深随入射波长的变大而减小，光斑的强度随入射波长的变大而增强，与衍射效应产生的色散相比，透镜本身的折射率色散很小。
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| 关 键 词： | 圆形透镜 色散 超分辨 标量衍射理论 三维共焦成像系统 衍射效应 |
| 文章编号： | 1000-2367(2003)01-0047-04 |
| 修稿时间： | 2002-09-16 |
Analysis of Dispersion for a Round Lens |
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| ZHANG Yao-ju,XIAO Hua-ceng,WEI Shu-yi. Analysis of Dispersion for a Round Lens[J]. Journal of Henan Normal University(Natural Science), 2003, 31(1): 47-50 |
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| Authors: | ZHANG Yao-ju XIAO Hua-ceng WEI Shu-yi |
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| Affiliation: | ZHANG Yao-ju1,XIAO Hua-ceng1,WEI Shu-yi2 |
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| Abstract: | The effects of dispersion on the super-resolution of 3-D confocal imaging system are analyzed by using the theory of scalar diffraction. The results of computer simulation show that both the radius of disk and the depth of focal length decrease as increasing incidence wavelength, meanwhile, the intensity of disk is enhanced. The dispersion caused from the chromatic aberrations of lens is smaller than that from diffraction effects of it. |
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| Keywords: | lens dispersion super-resolution |
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