Experimental verification of an optical vortex coronagraph

被引：125
|
作者：
Lee, Jae Hoon
Foo, Gregory
Johnson, Eric G.
Swartzlander, Grover A., Jr. [1 ]
机构：
[1] Univ Arizona, Coll Opt Sci, Tucson, AZ 85721 USA
[2] Univ Cent Florida, Coll Opt & Photon, Orlando, FL 32816 USA
来源：
PHYSICAL REVIEW LETTERS | 2006年 / 97卷 / 05期
关键词：
D O I：
10.1103/PhysRevLett.97.053901
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A coronagraph designed for high contrast imaging applications has been experimentally tested using coherent laser light and a vortex mask of topological charge m=2. Intensity contrast values of 95% were achieved in this first verification of the scheme. Improvements for approaching the theoretical value of 100% are suggested.
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页数：4
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