Near-Infrared Wavefront Sensing

被引：5

作者：

Wizinowich, Peter ^{[1
]}

Chun, Mark ^{[2
]}

Mawet, Dimitri ^{[3
]}

Agapito, Guido ^{[4
]}

Dekany, Richard ^{[3
]}

Esposito, Simone ^{[4
]}

Fusco, Thierry ^{[5
,6
]}

Guyon, Olivier ^{[7
]}

Hall, Donald ^{[2
]}

Plantet, Cedric ^{[5
,8
]}

Rigaut, Francois ^{[9
]}

机构：

[1] WM Keck Observ, 65-1120 Mamalahoa Hwy, Kamuela, HI 96743 USA

[2] Univ Hawaii, Inst Astron, 640 N Aohoku Pl, Hilo, HI 96720 USA

[3] CALTECH, Dept Astron, 1200 E Calif Blvd, Pasadena, CA 91125 USA

[4] Arcetri Astrophys Observ, Largo E Fermi 5, I-50125 Florence, Italy

[5] Aix Marseille Univ, CNRS, Lab Astrophys Marseille, UMR 7326, F-13388 Marseille, France

[6] Off Natl Etud & Rech Aerosp, French Aerosp Lab, F-92322 Chatillon, France

[7] Natl Astron Observ Japan, Subaru Telescope, 650 N,Aohoku Pl, Hilo, HI 96720 USA

[8] Univ Grenoble Alpes, CNRS, IPAG, F-38000 Grenoble, France

[9] Australian Natl Univ, Res Sch Astron & Astrophys, Canberra, ACT, Australia

来源：

ADAPTIVE OPTICS SYSTEMS V | 2016年 / 9909卷

关键词：

adaptive optics; wavefront sensing; tip-tilt sensing; near infrared; pyramid; Keck; LIFT; SENSOR;

D O I：

10.1117/12.2233035

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We discuss the advantages of wavefront sensing at near-infrared (IR) wavelengths with low-noise detector technologies that have recently become available. In this paper, we consider low order sensing with laser guide star (LGS) adaptive optics (AO) and high order sensing with natural guide star (NGS) AO. We then turn to the application of near-IR sensing with the W. M. Keck Observatory (WMKO) AO systems for science and as a demonstrator for similar systems on extremely large telescopes (ELTs). These demonstrations are based upon an LGS AO near-IR tip-tilt-focus sensor and our collaboration to implement a near-IR pyramid wavefront sensor (PWFS) for a NGS AO L-band coronagraphic imaging survey to identify exoplanet candidates.

引用

页数：13

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