Very high angular resolution spectro-interferometry with wavefront sensing capabilities on Subaru/SCExAO using photonics

被引：1

作者：

Vievard, S. ^{[1
,2
]}

Ahn, K. ^{[1
]}

Arriola, A. ^{[3
]}

Barjot, K. ^{[4
]}

Cvetojevic, N. ^{[5
]}

Deo, V ^{[1
]}

Duchene, G. ^{[6
]}

Gretzinger, T. ^{[3
]}

Gross, S. ^{[3
]}

Guyona, O. ^{[1
,2
,7
]}

Huby, E. ^{[4
]}

Jovanovic, N. ^{[8
]}

Kotani, T. ^{[2
]}

Lacour, S. ^{[4
]}

Lagadec, T. ^{[9
]}

Lallement, M. ^{[1
,4
]}

Lapeyrere, V ^{[4
]}

Lozi, J. ^{[1
]}

Marchis, F. ^{[10
]}

Martin, G. ^{[11
]}

Martinod, M-A ^{[12
,13
,14
]}

Norris, B. ^{[12
,13
,14
]}

Perrin, G. ^{[4
]}

Rouan, D. ^{[4
]}

Skaf, N. ^{[1
,4
,15
]}

Tuthill, P. ^{[12
,13
,14
]}

Withford, M. ^{[3
]}

机构：

[1] Natl Inst Nat Sci NINS, Natl Astron Observ Japan, Subaru Telescope, North Aohoku Pl, Hilo, HI 96720 USA

[2] NINS, Astrobiol Ctr, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan

[3] Macquarie Univ, MQ Photon Res Ctr, Sydney, NSW, Australia

[4] Observ Paris, LESIA, 5 Pl Jules Janssen, F-92195 Meudon, France

[5] Observ Cote Azur, 96 Blvd Observ, F-06300 Nice, France

[6] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA

[7] Univ Arizona, Coll Opt Sci, Tucson, AZ 85721 USA

[8] CALTECH, 1200 E Calif Blvd, Pasadena, CA 91125 USA

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

[10] SETI Inst, Carl Sagan Ctr, 189 Bernardo Av, Mountain View, CA 94043 USA

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

[12] Univ Sydney, Sch Phys, Sydney Inst Astron, Sydney, NSW 2006, Australia

[13] Univ Sydney, Sydney Astrophoton Instrumentat Labs, Phys Rd, Sydney, NSW 2006, Australia

[14] Univ Sydney, Sch Phys, AAO USyd, Sydney, NSW 2006, Australia

[15] UCL, Dept Phys & Astron, London, England

来源：

TECHNIQUES AND INSTRUMENTATION FOR DETECTION OF EXOPLANETS X | 2021年 / 11823卷

基金：

欧洲研究理事会; 澳大利亚研究理事会; 日本学术振兴会;

关键词：

Interferometry; Pupil remapping; Single-mode fibers; photonics; high contrast imaging; high angular resolution; wavefront sensing; island effect;

D O I：

10.1117/12.2594840

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Post Extreme Adaptive-Optics (ExAO) spectro-interferometers design allows high contrast imaging with an inner working angle down to half the theoretical angular resolution of the telescope. This regime, out of reach for conventional ExAO imaging systems, is obtained thanks to the interferometric recombination of multiple sub-apertures of a single telescope, using single mode waveguides to remove speckle noise. The SCExAO platform at the Subaru telescope hosts two instruments with such design, coupled with a spectrograph. The FIRST instrument operates in the Visible (600-800nm, R 400) and is based on pupil remapping using single-mode fibers. The GLINT instrument works in the NIR (1450-1650nm, R 160) and is based on on-chip nulling interferometry. We present here how these photonic instruments have the unique capability to simultaneously do high contrast imaging and be included in the wavefront sensing architecture of SCExAO.

引用

页数：11

共 22 条

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