Hardware/Software Support for Correlation Detection in Holographic Wavefront Sensors

被引：11
|
作者：
Ruchka, P. A. [1 ]
Verenikina, N. M. [1 ]
Gritsenko, I. V. [1 ]
Zlokazov, E. Yu. [1 ,2 ]
Kovalev, M. S. [1 ]
Krasin, G. K. [1 ]
Odinokov, S. B. [1 ]
Stsepuro, N. G. [1 ]
机构：
[1] Bauman Moscow State Tech Univ, Moscow 105005, Russia
[2] Natl Res Nucl Univ MEPhI, Moscow 115409, Russia
来源：
OPTICS AND SPECTROSCOPY | 2019年 / 127卷 / 04期
关键词：
computer holography; Fourier hologram; wavefront measurement; wavefront sensor; correlation detection; ABERRATION;
D O I：
10.1134/S0030400X19100230
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An algorithm that automatically calculates aberrations in the holographic wavefront sensor scheme previously proposed by the authors is described, which enables measuring aberrations by means of iterative generation of holograms on a phase spatial light modulator (SLM). The practical implementation of this algorithm on the basis of the feedback of the camera and SLM is given. Using the proposed algorithm, defocusing was measured with an accuracy of lambda/160.
引用
收藏
页码：618 / 624
页数：7
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