A Coronagraph Based on Stepped-Transmission Filters

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	A Coronagraph Based on Stepped-Transmission Filters
	Deqing Ren; Yongtian Zhu
	2007-09-12
发表期刊	Publications of the Astronomical Society of the Pacific
卷号	119 期号:119 页码:1063-1068
摘要	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.
关键词	Coronagraph Stepped-transmission Filters
学科领域	系外行星探测
WOS记录号	WOS:000250228500009
引用统计	被引频次：23[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.niaot.ac.cn/handle/114a32/466
专题	期刊论文
推荐引用方式 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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