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Design and experimental test of an optical vortex coronagraph
Cheng-Chao Liu1,2; De-Qing Ren1,2,3; Yong-Tian Zhu1,2; Jiang-Pei Dou1,2
2017-06
Source PublicationResearch in Astronomy and Astrophysics
Volume17Issue:6Pages:60-66
Abstract
Using an optical vortex coronagraph (OVC) is one of the most promising techniques for directly
imaging exoplanets because of its small inner working angle and high throughput。This paper
presents the design and laboratory demonstration performance of an OVC based on liquid crystal polymers (LCPs) at 633 nm and 1520 nm。The OVC can deliver good performance in laboratory tests and achieve a contrast of 10-6 at an angular distance of 3λ/D, which can be implemented for imaging young giant exoplanets in combination with extreme adaptive optics。
KeywordCoronagraph Optical Vortex Laboratory
Subject Area天文技术与方法
Language英语
Document Type期刊论文
Identifierhttp://ir.niaot.ac.cn/handle/114a32/1438
Collection中国科学院南京天文光学技术研究所_期刊论文
天文光谱和高分辨成像技术研究室_期刊论文
Affiliation1.南京天文光学技术研究所
2.中科院天文光学技术重点实验室
3.加利福尼亚州立大学北岭分校物理与天文学院
Recommended Citation
GB/T 7714
Cheng-Chao Liu,De-Qing Ren,Yong-Tian Zhu,et al. Design and experimental test of an optical vortex coronagraph[J]. Research in Astronomy and Astrophysics,2017,17(6):60-66.
APA Cheng-Chao Liu,De-Qing Ren,Yong-Tian Zhu,&Jiang-Pei Dou.(2017).Design and experimental test of an optical vortex coronagraph.Research in Astronomy and Astrophysics,17(6),60-66.
MLA Cheng-Chao Liu,et al."Design and experimental test of an optical vortex coronagraph".Research in Astronomy and Astrophysics 17.6(2017):60-66.
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