The optical vortex coronagraph

被引：62
|
作者：
Swartzlander, Grover A., Jr. [1 ,2 ]
机构：
[1] Rochester Inst Technol, Dept Phys, Rochester, NY 14623 USA
[2] Rochester Inst Technol, Chester F Carlson Ctr Imaging Sci, Rochester, NY 14623 USA
来源：
JOURNAL OF OPTICS A-PURE AND APPLIED OPTICS | 2009年 / 11卷 / 09期
关键词：
optical vortex; coronagraph; Fourier; Hankel; Lyot; exoplanet; Bessel functions; PHASE MASK;
D O I：
10.1088/1464-4258/11/9/094022
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An optical vortex coronagraph is a high contrast imaging system which has the potential to completely extinguish light from an on-axis point source, allowing glare-free, high throughput imaging of off-axis targets. An important application is the direct detection of exoplanets orbiting distant stars. The optical physics of the OVC is reviewed, a heuristic argument describing its operation is presented for the first time, and performance limitations are explored.
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收藏
页数：9
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