Analysis of the effect of central screening of the pupil on the contrast transfer function when there is residual wave aberration in a point image

Ежова К.В., Ермолаева Е.В., Зверев В.А. Анализ влияния центрального экранирования зрачка на функцию передачи контраста при остаточной волновой аберрации в изображении точки //  Оптический журнал. 2013. Т. 80. № 12. С. 42–44.

Ezhova K. V., Ermolaeva E. V., Zverev V. A. Analysis of the effect of central screening of the pupil on the contrast transfer function when there is residual wave aberration in a point image [in Russian] // Opticheskii Zhurnal. 2013. V. 80. № 12. P. 42–44.

K. V. Ezhova, E. V. Ermolaeva, and V. A. Zverev, "Analysis of the effect of central screening of the pupil on the contrast transfer function when there is residual wave aberration in a point image," Journal of Optical Technology. 80(12), 749-750 (2013). https://doi.org/10.1364/JOT.80.000749.

Numerical modelling methods are used to show that, when there is residual wave aberration that exceeds three-fourths of the wavelength (W≥0.75λ), it is possible to enhance the image contrast by screening the central zone of the pupil with a screening factor of k_s≈0.5.