Sub-aperture piston phase diversity for segmented and multi-aperture systems

被引：52

作者：

Bolcar, Matthew R. ^{[1
]}

Fienup, James R. ^{[1
]}

机构：

[1] Univ Rochester, Inst Opt, Rochester, NY 14627 USA

来源：

APPLIED OPTICS | 2009年 / 48卷 / 01期

关键词：

IMAGE-RESTORATION; TELESCOPE; ABERRATIONS; APERTURE; SPECKLE; OBJECT;

D O I：

10.1364/AO.48.0000A5

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Phase diversity is a method of image-based wavefront sensing that simultaneously estimates the unknown phase aberrations of an imaging system along with an image of the object. To perform this estimation a series of images differing by a known aberration, typically defocus, are used. In this paper we present a new method of introducing the diversity unique to segmented and multi-aperture systems in which individual segments or sub-apertures are pistoned with respect to one another. We compare this new diversity with the conventional focus diversity. (C) 2008 Optical Society of America

引用

页码：A5 / A12

页数：8

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