An achromatic low-order wavefront sensor

被引：0
|
作者：
Brousseau, Denis [1 ]
Allain, Guillaume [1 ]
Thibault, Simon [1 ]
Veran, Jean-Pierre [2 ]
机构：
[1] Univ Laval, COPL, Quebec City, PQ, Canada
[2] NRC Herzberg, Victoria, BC, Canada
来源：
ADAPTIVE OPTICS SYSTEMS V | 2016年 / 9909卷
关键词：
Pyramidal wavefront sensors; wavefront sensors; coronagraphs;
D O I：
10.1117/12.2233096
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Many wavefront sensors have been developed over the years, but most are not well suited for the photon-limited regime of coronagraphs designed for 10(-9) contrast ratios and small inner working angles (IWAs). To meet current coronagraphs low-order wavefront sensing requirements, it is essential to have a method that offers high sensitivity and preferably a linear response. We propose an innovative low-order wavefront sensor (LOWFS) design that is both achromatic and near free of non-common path aberrations (NCPAs).
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页数：6
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