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A Coronagraph Based on Stepped-Transmission Filters
Deqing Ren; Yongtian Zhu
2007-09-12
Source PublicationPublications of the Astronomical Society of the Pacific
Volume119Issue:119Pages:1063-1068
Abstract
We propose a coronagraph for direct imaging of Earth-like planets orbiting nearby bright stars.The coronagraph is based on an apodization pupil composed of two stepped-transmission filters. We show that the coronagraph can achieve 10-10high-contrast imaging at an angular distance larger than (2–3)l/D theoretically. The employment of the stepped-transmission filters significantly simplifies the manufacturing of the transmission pupil, making it possible to be used for high-contrast imaging in practice.
KeywordCoronagraph Stepped-transmission Filters
Subject Area系外行星探测
WOS IDWOS:000250228500009
Citation statistics
Cited Times:23[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.niaot.ac.cn/handle/114a32/466
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
Recommended Citation
GB/T 7714
Deqing Ren,Yongtian Zhu. A Coronagraph Based on Stepped-Transmission Filters[J]. Publications of the Astronomical Society of the Pacific,2007,119(119):1063-1068.
APA Deqing Ren,&Yongtian Zhu.(2007).A Coronagraph Based on Stepped-Transmission Filters.Publications of the Astronomical Society of the Pacific,119(119),1063-1068.
MLA Deqing Ren,et al."A Coronagraph Based on Stepped-Transmission Filters".Publications of the Astronomical Society of the Pacific 119.119(2007):1063-1068.
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