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关于如何正确计算对角线方向视场的MTF

  • June 2, 2023
  • 1 reply
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yuan.chen
Zemax Staff
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本帖主要是围绕以下知识库文章展开,您可以选择直接阅读以下文章或者是查看我整理的重点。

Understanding tangential/sagittal in OpticStudio and how to rotate rays – Knowledgebase (zemax.com)

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yuan.chen
Zemax Staff
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  • Zemax Staff
  • 275 replies
  • June 2, 2023

先说不对参数进行特别设置的系统,我们认知的S跟T,跟ZOS默认的是不一样的。

如果要正确考虑对角线视场的MTF,这里我们要改变Tangential Angle的数值,用来旋转在pupil中的坐标。

注意几何MTF跟惠更斯MTF不受该参数影响,如果要获得正确的数据,请旋转像面。


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