Computational super-resolution phase retrieval from multiple phase-coded diffraction patterns: simulation study and experiments

被引:81
作者
Katkovnik, Vladimir [1 ]
Shevkunov, Igor [1 ,2 ]
Petrov, Nikolay V. [2 ]
Egiazarian, Karen [1 ]
机构
[1] Tampere Univ Technol, Lab Signal Proc, POB 553, FI-33101 Tampere, Finland
[2] ITMO Univ, Dept Photon & Opt Informat Technol, St Petersburg, Russia
关键词
SPATIAL LIGHT-MODULATOR; WAVE-FRONT RECONSTRUCTION; VOLUME-SPECKLE FIELD; RESOLUTION; ALGORITHM; DIFFUSER; OPTIMIZATION; MICROSCOPY; DESIGN; IMAGE;
D O I
10.1364/OPTICA.4.000786
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
In this paper, we consider computational super-resolution inverse diffraction phase retrieval. The optical setup is lensless, with a spatial light modulator for aperture phase coding. The paper is focused on experimental tests of the super-resolution sparse phase amplitude retrieval algorithm. We start from simulations and proceed to physical experiments. Both simulation tests and experiments demonstrate good-quality imaging for super-resolution with a factor of 4 and a serious advantage over diffraction-limited resolution as defined by Abbe's criterion. (C) 2017 Optical Society of America
引用
收藏
页码:786 / 794
页数:9
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