Modulation transfer function degradation due to segmenting of the wavefront at the entrance pupil of imaging systems

Yuval Gronau; Dov Freiman

doi:10.1117/12.160563

1 November 1993 Modulation transfer function degradation due to segmenting of the wavefront at the entrance pupil of imaging systems

Yuval Gronau, Dov Freiman

Author Affiliations +

Proceedings Volume 2020, Infrared Technology XIX; (1993) https://doi.org/10.1117/12.160563
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

Segmenting of the incident wavefronts at the entrance pupil of an imaging system occurs in systems with segmented windows and in certain configurations of scanning systems that include a polygon as the scanning element. The segmenting of the wavefronts may cause a serious degradation of the MTF of the system. In some cases, the resolution of such systems may be decreased by a factor of two. The degradation of the MTF is calculated for monochromatic and polychromatic light. It is shown how such cases may be simulated using Code-V software.

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Yuval Gronau and Dov Freiman "Modulation transfer function degradation due to segmenting of the wavefront at the entrance pupil of imaging systems", Proc. SPIE 2020, Infrared Technology XIX, (1 November 1993); https://doi.org/10.1117/12.160563

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