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Wolter显微镜成像系统的光线追踪模拟研究

董建军 邓克立 任宽 易涛

董建军, 邓克立, 任宽, 等. Wolter显微镜成像系统的光线追踪模拟研究[J]. 强激光与粒子束, 2018, 30: 082002. doi: 10.11884/HPLPB201830.170493
引用本文: 董建军, 邓克立, 任宽, 等. Wolter显微镜成像系统的光线追踪模拟研究[J]. 强激光与粒子束, 2018, 30: 082002. doi: 10.11884/HPLPB201830.170493
Dong Jianjun, Deng Keli, Ren Kuan, et al. Simulation of Wolter microscope imaging system by ray-tracing[J]. High Power Laser and Particle Beams, 2018, 30: 082002. doi: 10.11884/HPLPB201830.170493
Citation: Dong Jianjun, Deng Keli, Ren Kuan, et al. Simulation of Wolter microscope imaging system by ray-tracing[J]. High Power Laser and Particle Beams, 2018, 30: 082002. doi: 10.11884/HPLPB201830.170493

Wolter显微镜成像系统的光线追踪模拟研究

doi: 10.11884/HPLPB201830.170493
基金项目: 

国家自然科学基金项目 11575166

详细信息
    作者简介:

    董建军(1977-), 男,博士,从事激光等离子体诊断技术研究;d_dragonfly2012@163.com

  • 中图分类号: O434.13

Simulation of Wolter microscope imaging system by ray-tracing

  • 摘要: 利用光学设计软件ZEMAX模拟Wolter显微镜对点光源成像。在只考虑几何光学成像的条件下,分三种情况讨论:两曲面同轴共焦点,两曲面不同轴,两曲面同轴不共焦点,对点源通过Wolter系统成像分别进行了光线追踪模拟。通过模拟,定量给出了Wolter显微镜的焦深和景深,分析了处于不同视场点源所成的像,以及两个曲面不同轴时和不共焦点的情况下点源所成的像, 得知Wolter显微镜对物像距的要求很严格,两曲面的不同轴度和两曲面的不共焦点对成像影响非常大,这些模拟结果为Wolter显微镜的成像分析提供了依据。
  • 图  1  Wolter显微镜成像原理

    Figure  1.  Principle of Wolter microscope imaging

    图  2  像面偏离像点后点光源所成的像(像素为1 μm)

    Figure  2.  Images of a point source on the imaging plane at a distance from the image point

    图  3  点光源偏离物点后所成的像(像素为1 μm)

    Figure  3.  Images of a point source at a distance from the object point

    图  4  点光源处于不同视场所成的像(像素为0.1 μm)

    Figure  4.  Images of a point source in different fields

    图  5  Wolter显微镜的两曲面不同轴的两种情况

    Figure  5.  Instances of two non-coaxial surfaces of Wolter microscope

    图  6  两曲面不同轴(两个轴平行) 时点光源所成的像

    Figure  6.  Images of a point source while the Wolter mirror has two parallel but non-coaxial surfaces with different vertical shift of one surface from the other

    图  7  两曲面不同轴(两个轴不平行) 时点光源所成的像(像素为0.2 μm)

    Figure  7.  Images of a point source while the axes of the two surfaces are at different angles

    图  8  Wolter显微镜的两曲面不共焦点示意图

    Figure  8.  Schematic of the two coaxial but nonfocal surfaces, DF represents the distance between the left focus of the hyperboloid and that of the euipsoid

    图  9  两曲面不共焦点时点光源所成的像(像素为2 μm)

    Figure  9.  Images of a point source in instances of different DF

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出版历程
  • 收稿日期:  2017-12-26
  • 修回日期:  2018-03-31
  • 刊出日期:  2018-08-15

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