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

Sung Mok Hong; Jae Heung Jo; Hee Sung Cho; Hoi Youn Lee; Ho Soon Yang; Yun Woo Lee; In Won Lee

doi:10.1117/12.666838

9 December 2005 Analysis of various correction factors for MTF measurement with a square object

Sung Mok Hong, Jae Heung Jo, Hee Sung Cho, Hoi Youn Lee, Ho Soon Yang, Yun Woo Lee, In Won Lee

Proceedings Volume 6024, ICO20: Optical Devices and Instruments; 60240W (2005) https://doi.org/10.1117/12.666838
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China

Abstract

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.

Citation Download Citation

Sung Mok Hong, Jae Heung Jo, Hee Sung Cho, Hoi Youn Lee, Ho Soon Yang, Yun Woo Lee, and In Won Lee "Analysis of various correction factors for MTF measurement with a square object", Proc. SPIE 6024, ICO20: Optical Devices and Instruments, 60240W (9 December 2005); https://doi.org/10.1117/12.666838

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