A Coronagraph Based on Stepped" Transmission Filters

dc.contributor.author	Ren, Deqing	en
dc.contributor.author	Zhu, Yongtian	en
dc.date.accessioned	2017-12-05T22:06:49Z
dc.date.available	2017-12-05T22:06:49Z
dc.date.issued	2007	en
dc.identifier.citation	Publications of the Astronomical Society of the Pacific 119(859), 1063-1068. (2007)	en
dc.identifier.issn	0004-6280	en
dc.identifier.uri	http://hdl.handle.net/10211.3/198382	en
dc.description.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 10−10 high‐contrast imaging at an angular distance larger than (2-3)λ/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.	en
dc.format.extent	6 Pages	en
dc.language.iso	en	en
dc.publisher	Publications of the Astronomical Society of the Pacific	en
dc.relation.uri	doi.org/10.1086/522015	en
dc.rights	copyright 2007. The Astronomical Society of the Pacific	en
dc.subject	coronagraph	en
dc.subject	Earth-like planets	en
dc.subject	stepped-transmission filters	en
dc.title	A Coronagraph Based on Stepped" Transmission Filters	en
dc.type	Article	en

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