Power Phase Apodization Study on Compensation Defocusing and Chromatic Aberration in the Imaging System
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ID: 267539
2021
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Abstract
We performed a detailed comparative study of the parametric high degree (cubic, fourth, and fifth) power phase apodization on compensation defocusing and chromatic aberration in the imaging system. The research results showed that increasing the power degree of the apodization function provided better independence (invariance) of the point spread function (PSF) from defocusing while reducing the depth of field (DOF). This reduction could be compensated by increasing the parameter α; however, this led to an increase in the size of the light spot. A nonlinear relationship between the increase in the DOF and spot size was shown (due to a small increase in the size of the light spot, the DOF can be significantly increased). Thus, the search for the best solution was based on a compromise of restrictions on the circle of confusion (CoC) and DOF. The modeling of color image formation under defocusing conditions for the considered apodization functions was performed. The subsequent deconvolution of the resulting color image was demonstrated.
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khonina2021electronicspower
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| Authors | Svetlana N. Khonina;Sergey G. Volotovskiy;Alexey P. Dzyuba;Pavel G. Serafimovich;Sergey B. Popov;Muhammad A. Butt;Khonina, Svetlana N.;Volotovskiy, Sergey G.;Dzyuba, Alexey P.;Serafimovich, Pavel G.;Popov, Sergey B.;Butt, Muhammad A.; |
| Journal | Electronics |
| Year | 2021 |
| DOI |
10.3390/electronics10111327
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