The four-quadrant phase mask coronagraph. III. Laboratory performance

被引：53
|
作者：
Riaud, P [1 ]
Boccaletti, A [1 ]
Baudrand, J [1 ]
Rouan, D [1 ]
机构：
[1] Observ Paris, LESIA, F-92195 Meudon, France
来源：
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC | 2003年 / 115卷 / 808期
关键词：
D O I：
10.1086/375385
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We report a laboratory experiment to assess the performance and limitations of the four-quadrant phase mask coronagraph we proposed 2 years ago. A total flux rejection factor of 4400 was reached using off-the-shelf optical components. The peak intensity of the Airy pattern is correspondingly reduced by a factor of 44,000 with a stability of a few hours. In this paper, we discuss implications of this excellent result regarding the next generation of instruments for extrasolar planet detection.
引用
收藏
页码：712 / 719
页数：8
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