Influence of Defocusing on the Correctness of Detection of Wavefront Aberrations Using a Matched Filter

IF 1 Q4 OPTICS

Optical Memory and Neural Networks Pub Date : 2023-11-03 DOI:10.3103/S1060992X23050077

G. K. Ishchanov

引用次数: 0

Abstract

In this paper, two imaging systems are considered: in the focal plane and in defocus. In the focal plane, the correctness of a multichannel filter fitted with sixteen Zernike polynomials is investigated. The modelling of the focal plane system is carried out using the Fourier transform. The simulation results show the effect of the aberration coefficient on the detection accuracy. In the case of defocusing, its effect on the accuracy of aberration detection is investigated. The modelling of the defocusing system was carried out using the Fresnel transform. Detection was found to be possible at a small distance from the focus and a small aberration intensity ratio.

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散焦对匹配滤波器波前像差检测正确性的影响

本文考虑了两种成像系统：焦平面成像系统和散焦成像系统。在焦平面上，研究了用16个Zernike多项式拟合的多通道滤波器的正确性。焦平面系统的建模是使用傅立叶变换进行的。仿真结果表明了像差系数对检测精度的影响。在散焦的情况下，研究了散焦对像差检测精度的影响。使用菲涅耳变换对散焦系统进行了建模。发现在离焦点小的距离和小的像差强度比下检测是可能的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Optical Memory and Neural Networks OPTICS-

CiteScore

1.50

自引率

11.10%

发文量

期刊介绍： The journal covers a wide range of issues in information optics such as optical memory, mechanisms for optical data recording and processing, photosensitive materials, optical, optoelectronic and holographic nanostructures, and many other related topics. Papers on memory systems using holographic and biological structures and concepts of brain operation are also included. The journal pays particular attention to research in the field of neural net systems that may lead to a new generation of computional technologies by endowing them with intelligence.