High-frequency phase recovery of distorted wavefront and analysis on phase correction effect

被引：6

作者：

Fu, Fuxing ^{[1
]}

Zhang, Bin ^{[1
]}

机构：

[1] Sichuan Univ, Dept Optoelect Sci & Technol, Chengdu 610065, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2011年 / 284卷 / 19期

关键词：

Phase correction; Correction effect; High-frequency phase; Gerchberg-Saxton retrieval method; High-pass filtering; ADAPTIVE OPTICS; DEFORMABLE-MIRROR; SYSTEM; COMPENSATION; RETRIEVAL; BEAMS;

D O I：

10.1016/j.optcom.2011.03.023

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

By constructing a distorted wavefront with random phase screen, the correction process of distorted wavefront has been simulated, and the correction effect of deformable mirror has been simulated and analyzed with the method of high-pass filtering. The variations of correction effect and high-frequency phase distortion have been quantitatively analyzed. The results show that the beam quality of the corrected beam degrades obviously with the increase of high-frequency phase. In addition, a new method has been presented to recover the high-frequency phase of distorted wavefront according to the given intensity distribution and low-frequency phase in near field and the intensity distribution in far field. It shows that the method is very effective to recover the high-frequency phase of distorted wavefront. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：4563 / 4569

页数：7

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