The use 2D Hilbert transform for phase retrieval of speckle fields

被引：0

作者：

Angelsky, O. V. ^{[1
]}

Zenkova, C. Yu. ^{[1
]}

Riabyi, P. A. ^{[1
]}

机构：

[1] Chernivtsi Natl Univ, Chernovtsy, Ukraine

来源：

ADVANCED TOPICS IN OPTOELECTRONICS, MICROELECTRONICS, AND NANOTECHNOLOGIES VIII | 2016年 / 10010卷

关键词：

Hilbert transform; phase retrieval; speckle pattern; CONTINUOUS LASER-RADIATION; COMPLEX OPTICAL-FIELDS; ABSORBING PARTICLES; WAVES; MICROPARTICLES; SINGULARITIES; DIFFRACTION; COHERENCE;

D O I：

10.1117/12.2243288

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The use of a "window" 2D Hilbert transform for reconstruction of the phase distribution of remote objects is proposed. It is shown that the advantage of this approach consists in the invariance of a phase map to a change of the position of the kernel of transformation and in a possibility to reconstruct the structure-forming elements of the skeleton of an optical field, including singular points and saddle points. We demonstrate the possibility to reconstruct the equi-phase lines within a narrow confidence interval, and introduce a new algorithm for solving the phase problem for random 2D intensity distributions.

引用

页数：6

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