L'-band AGPM vector vortex coronagraph's first light on LBTI/LMIRCam

D. Defrère; O. Absil; P. Hinz; J. Kuhn; D. Mawet; B. Mennesson; A. Skemer; K. Wallace; V. Bailey; E. Downey; C. Delacroix; O. Durney; P. Forsberg; C. Gomez; S. Habraken; W. F. Hoffmann; M. Karlsson; M. Kenworthy; J. Leisenring; M. Montoya; L. Pueyo; M. Skrutskie; J. Surdej

doi:10.1117/12.2057205

L'-band AGPM vector vortex coronagraph's first light on LBTI/LMIRCam

D. Defrère, O. Absil, P. Hinz, J. Kuhn, D. Mawet, B. Mennesson, A. Skemer, K. Wallace, V. Bailey, E. Downey, C. Delacroix, O. Durney, P. Forsberg, C. Gomez, S. Habraken, W. F. Hoffmann, M. Karlsson, M. Kenworthy, J. Leisenring, M. MontoyaL. Pueyo, M. Skrutskie, J. Surdej

Steward Observatory

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

29 Scopus citations

Abstract

We present the first observations obtained with the L'-band AGPM vortex coronagraph recently installed on LBTI/LMIRCam. The AGPM (Annular Groove Phase Mask) is a vector vortex coronagraph made from diamond subwavelength gratings. It is designed to improve the sensitivity and dynamic range of high-resolution imaging at very small inner working angles, down to 0.09 arcseconds in the case of LBTI/LMIRCam in the L' band. During the first hours on sky, we observed the young A5V star HR8799 with the goal to demonstrate the AGPM performance and assess its relevance for the ongoing LBTI planet survey (LEECH). Preliminary analyses of the data reveal the four known planets clearly at high SNR and provide unprecedented sensitivity limits in the inner planetary system (down to the diffraction limit of 0.09 arcseconds).

Original language	English (US)
Title of host publication	Adaptive Optics Systems IV
Editors	Jean-Pierre Veran, Enrico Marchetti, Laird M. Close
Publisher	SPIE
ISBN (Electronic)	9780819496164
DOIs	https://doi.org/10.1117/12.2057205
State	Published - 2014
Event	Adaptive Optics Systems IV - Montreal, Canada Duration: Jun 22 2014 → Jun 27 2014

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	9148
ISSN (Print)	0277-786X
ISSN (Electronic)	1996-756X

Other

Other	Adaptive Optics Systems IV
Country/Territory	Canada
City	Montreal
Period	6/22/14 → 6/27/14

Keywords

Adaptive Optics
HR8799
LBT
coronagraphy
vortex phase mask

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

Access to Document

10.1117/12.2057205

Cite this

Defrère, D., Absil, O., Hinz, P., Kuhn, J., Mawet, D., Mennesson, B., Skemer, A., Wallace, K., Bailey, V., Downey, E., Delacroix, C., Durney, O., Forsberg, P., Gomez, C., Habraken, S., Hoffmann, W. F., Karlsson, M., Kenworthy, M., Leisenring, J., ... Surdej, J. (2014). L'-band AGPM vector vortex coronagraph's first light on LBTI/LMIRCam. In J.-P. Veran, E. Marchetti, & L. M. Close (Eds.), Adaptive Optics Systems IV Article 91483X (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 9148). SPIE. https://doi.org/10.1117/12.2057205

L'-band AGPM vector vortex coronagraph's first light on LBTI/LMIRCam. / Defrère, D.; Absil, O.; Hinz, P. et al.
Adaptive Optics Systems IV. ed. / Jean-Pierre Veran; Enrico Marchetti; Laird M. Close. SPIE, 2014. 91483X (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 9148).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Defrère, D, Absil, O, Hinz, P, Kuhn, J, Mawet, D, Mennesson, B, Skemer, A, Wallace, K, Bailey, V, Downey, E, Delacroix, C, Durney, O, Forsberg, P, Gomez, C, Habraken, S, Hoffmann, WF, Karlsson, M, Kenworthy, M, Leisenring, J, Montoya, M, Pueyo, L, Skrutskie, M & Surdej, J 2014, L'-band AGPM vector vortex coronagraph's first light on LBTI/LMIRCam. in J-P Veran, E Marchetti & LM Close (eds), Adaptive Optics Systems IV., 91483X, Proceedings of SPIE - The International Society for Optical Engineering, vol. 9148, SPIE, Adaptive Optics Systems IV, Montreal, Canada, 6/22/14. https://doi.org/10.1117/12.2057205

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title = "L'-band AGPM vector vortex coronagraph's first light on LBTI/LMIRCam",

abstract = "We present the first observations obtained with the L'-band AGPM vortex coronagraph recently installed on LBTI/LMIRCam. The AGPM (Annular Groove Phase Mask) is a vector vortex coronagraph made from diamond subwavelength gratings. It is designed to improve the sensitivity and dynamic range of high-resolution imaging at very small inner working angles, down to 0.09 arcseconds in the case of LBTI/LMIRCam in the L' band. During the first hours on sky, we observed the young A5V star HR8799 with the goal to demonstrate the AGPM performance and assess its relevance for the ongoing LBTI planet survey (LEECH). Preliminary analyses of the data reveal the four known planets clearly at high SNR and provide unprecedented sensitivity limits in the inner planetary system (down to the diffraction limit of 0.09 arcseconds).",

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T1 - L'-band AGPM vector vortex coronagraph's first light on LBTI/LMIRCam

AU - Defrère, D.

AU - Absil, O.

AU - Hinz, P.

AU - Kuhn, J.

AU - Mawet, D.

AU - Mennesson, B.

AU - Skemer, A.

AU - Wallace, K.

AU - Bailey, V.

AU - Downey, E.

AU - Delacroix, C.

AU - Durney, O.

AU - Forsberg, P.

AU - Gomez, C.

AU - Habraken, S.

AU - Hoffmann, W. F.

AU - Karlsson, M.

AU - Kenworthy, M.

AU - Leisenring, J.

AU - Montoya, M.

AU - Pueyo, L.

AU - Skrutskie, M.

AU - Surdej, J.

PY - 2014

Y1 - 2014

N2 - We present the first observations obtained with the L'-band AGPM vortex coronagraph recently installed on LBTI/LMIRCam. The AGPM (Annular Groove Phase Mask) is a vector vortex coronagraph made from diamond subwavelength gratings. It is designed to improve the sensitivity and dynamic range of high-resolution imaging at very small inner working angles, down to 0.09 arcseconds in the case of LBTI/LMIRCam in the L' band. During the first hours on sky, we observed the young A5V star HR8799 with the goal to demonstrate the AGPM performance and assess its relevance for the ongoing LBTI planet survey (LEECH). Preliminary analyses of the data reveal the four known planets clearly at high SNR and provide unprecedented sensitivity limits in the inner planetary system (down to the diffraction limit of 0.09 arcseconds).

AB - We present the first observations obtained with the L'-band AGPM vortex coronagraph recently installed on LBTI/LMIRCam. The AGPM (Annular Groove Phase Mask) is a vector vortex coronagraph made from diamond subwavelength gratings. It is designed to improve the sensitivity and dynamic range of high-resolution imaging at very small inner working angles, down to 0.09 arcseconds in the case of LBTI/LMIRCam in the L' band. During the first hours on sky, we observed the young A5V star HR8799 with the goal to demonstrate the AGPM performance and assess its relevance for the ongoing LBTI planet survey (LEECH). Preliminary analyses of the data reveal the four known planets clearly at high SNR and provide unprecedented sensitivity limits in the inner planetary system (down to the diffraction limit of 0.09 arcseconds).

KW - Adaptive Optics

KW - HR8799

KW - LBT

KW - coronagraphy

KW - vortex phase mask

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T3 - Proceedings of SPIE - The International Society for Optical Engineering

BT - Adaptive Optics Systems IV

A2 - Veran, Jean-Pierre

A2 - Marchetti, Enrico

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PB - SPIE

T2 - Adaptive Optics Systems IV

Y2 - 22 June 2014 through 27 June 2014

ER -

L'-band AGPM vector vortex coronagraph's first light on LBTI/LMIRCam

Abstract

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Keywords

ASJC Scopus subject areas

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