| 菲涅耳透镜对平行光的成像特性分析 |
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| 引用本文： | 张兰,严惠民.菲涅耳透镜对平行光的成像特性分析[J].光学仪器,2000,22(1):15-20. |
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| 作者姓名： | 张兰 严惠民 |
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| 作者单位： | 浙江大学现代光学仪器国家重点实验室,杭州,310027 |
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| 摘 要： | 利用光线追迹与实验的方法 ,对菲涅耳透镜在平行光照明时的成像特性进行了分析。给出了在各种角度入射情况下的最佳像点位置及像点弥散斑大小 ,通过对结果进行分析 ,得出了最佳像面曲线及其特征与参数。并讨论了它们与菲涅耳透镜参数的关系。
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| 关 键 词： | 菲涅耳透镜 平行光 弥散斑 |
Analysis of imaging characteristic of Fresnel lens for parallel rays |
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| ZHANG Lan,YAN Huiming,SHI Baixuan,LI Caifeng.Analysis of imaging characteristic of Fresnel lens for parallel rays[J].Optical Instruments,2000,22(1):15-20. |
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| Authors: | ZHANG Lan YAN Huiming SHI Baixuan LI Caifeng |
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| Abstract: | ]Imaging characteristic of Fresnel lens for parallel incident rays is analyzed by ray tracing and experiments.The optimal focus position and the size of diffused image for different incident angle are presented.The expression of optimal focus plane is developed and the relationship between focus plane and the Fresnel parameters is also discussed here. |
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| Keywords: | Fresnel lens parallel rays diffused image |
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