成像系统结构中频误差的分析与容限

International Optical Design Conference Pub Date : 2010-07-01 DOI:10.1117/12.871013

John M. Tamkin, T. Milster

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引用次数: 2

摘要

非球面光学结构中频表面误差会产生鬼像，降低对比度。使用无小信号或统计近似的傅里叶方法表明，这种性能降低与表面高度呈非线性关系。允许MSF误差可以使用传统的MTF度量，并推导出MSF表面高度分量的峰谷限制。

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Analysis and tolerancing of structured mid-spatial frequency errors in imaging systems

Structured mid-spatial frequency surface errors on aspheric optics can create ghost images and reduced contrast. This reduction in performance is shown to be non-linear with surface height using Fourier methods without small signal or statistical approximations. Tolerancing MSF errors can use traditional MTF metrics, and derives peak-to-valley limits on MSF surface height components.

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International Optical Design Conference

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