Modal wavefront reconstruction with Zernike polynomials and eigenfunctions of Laplacian

被引：10

作者：

Huang Shengyang ^{[1
]}

Ning Yu ^{[1
]}

Xi Fengjie ^{[1
]}

Jiang Zongfu ^{[1
]}

机构：

[1] Natl Univ Def Technol, Coll Optoelect Sci & Engn, Changsha 410073, Hunan, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2013年 / 288卷

基金：

中国国家自然科学基金;

关键词：

Shack-Hartmann wavefront sensor; Modal approach; Modal cross coupling; Eigenfunctions of Laplacian; Zernike polynomials;

D O I：

10.1016/j.optcom.2012.09.067

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Modal cross coupling between basis functions in modal wavefront reconstruction is discussed. Eigenfunctions of Laplacian are proposed in modal approach for wavefront reconstruction. As the gradients of the eigenfunctions are orthogonal to each other, the modal cross coupling can be avoided theoretically. Wavefront reconstructions by use of Zernike polynomials and eigenfunctions of Laplacian with different sampling densities are compared. The results show that modal cross coupling between eigenfunctions of Laplacian is much smaller than that between Zernike polynomials. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：7 / 12

页数：6

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