Habitable exoplanets detection: overview of challenges and current state-of-the-art [Invited]

被引：2

作者：

Guyon, Olivier ^{[1
,2
,3
]}

机构：

[1] Natl Inst Nat Sci, Astrobiol Ctr, 2-21-1 Osawa, Mitaka, Tokyo, Japan

[2] Univ Arizona, Steward Observ, Tucson, AZ 85721 USA

[3] Natl Inst Nat Sci, Subaru Telescope, Natl Astron Observ Japan, Hilo, HI 96720 USA

来源：

OPTICS EXPRESS | 2017年 / 25卷 / 23期

关键词：

PLANET DETECTION; GALACTIC BULGE; TELESCOPE; EFFICIENT; PROJECT; LIMITS;

D O I：

10.1364/OE.25.028825

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Detection and characterization of exoplanets pose formidable observational challenges, as planets are orders of magnitudes fainter, less massive and smaller than the stars they orbit. Multiple detection techniques exist, all relying on the high accuracy measurement of stellar light (flux, spectra, position or wavefront). Astrophotonic technologies for light creation, shaping and detection are essential to meet these challenges. While current detection and characterization techniques are suitable for giant (Jupiter-like) planets, potentially habitable Earth-sized rocky planets are considerably more challenging to observe. Recent advances in astrophotonics hold the key to characterization of these smaller planets, and to the remote identification of biomarkers indicative of life. (C) 2017 Optical Society of America

引用

页码：28825 / 28837

页数：13

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