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Analysis of various correction factors for MTF measurement with a square object

机译:分析方形物体进行MTF测量的各种校正因子

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摘要

In the simultaneous measurement of the sagittal and tangential modulation transfer function (MTF) of an optical system by using a square object, we analyze various correction factors due to the irregular illumination of the source, the rotation of the square object, and the off-axis effect by the object size for the precise measurement of the MTF. These results can be used in the more exact and effective MTF measurement using the square objects instead of an ordinary pinhole or slit.
机译:在通过使用正方形物体同时测量光学系统的弧矢和切向调制传递函数(MTF)时,我们分析了由于光源的不规则照明,正方形物体的旋转以及偏离而导致的各种校正因子。物体大小对轴的影响,以精确测量MTF。这些结果可用于使用正方形物体而不是普通的针孔或狭缝进行更精确和有效的MTF测量。

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