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Focal plane wavefront sensing on SUBARU/SCExAO

Vievard, S. and Bos, S. P. and Cassaing, F. and Currie, T. and Deo, V. and Guyon, O. and Jovanovic, N. and Keller, C. U. and Lamb, M. and Lopez, C. and Lozi, J. and Martinache, F. and Mary, D. and Miller, K. and Montmerle-Bonnefois, A. and Mugnier, L. M. and N'Diaye, M. and Norris, B. and Sahoo, A. and Sauvage, J.-F. and Skaf, N. and Snik, F. and Wilby, M. J. and Wong, A. (2020) Focal plane wavefront sensing on SUBARU/SCExAO. In: Adaptive Optics Systems VII. Proceedings of SPIE. No.11448. Society of Photo-Optical Instrumentation Engineers (SPIE) , Bellingham, WA, Art. No. 114486D. ISBN 9781510636835.

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Focal plane wavefront sensing is an elegant solution for wavefront sensing since near-focal images of any source taken by a detector show distortions in the presence of aberrations. Non-Common Path Aberrations and the Low Wind Effect both have the ability to limit the achievable contrast of the finest coronagraphs coupled with the best extreme adaptive optics systems. To correct for these aberrations, the Subaru Coronagraphic Extreme Adaptive Optics instrument hosts many focal plane wavefront sensors using detectors as close to the science detector as possible. We present seven of them and compare their implementation and efficiency on SCExAO. This work will be critical for wavefront sensing on next generation of extremely large telescopes that might present similar limitations.

Item Type:Book Section
Related URLs:
URLURL TypeDescription Paper
Vievard, S.0000-0003-4018-2569
Cassaing, F.0000-0001-8184-2389
Currie, T.0000-0002-7405-3119
Guyon, O.0000-0002-1097-9908
Jovanovic, N.0000-0001-5213-6207
Keller, C. U.0000-0002-1368-841X
Lopez, C.0000-0002-1090-6960
Lozi, J.0000-0002-3047-1845
Martinache, F.0000-0003-1180-4138
Mary, D.0000-0002-9047-5768
Miller, K.0000-0003-4716-5657
Mugnier, L. M.0000-0002-8364-4957
N'Diaye, M.0000-0002-1721-3294
Norris, B.0000-0002-8352-7515
Sahoo, A.0000-0003-2806-1254
Sauvage, J.-F.0000-0001-7937-9815
Skaf, N.0000-0002-9372-5056
Snik, F.0000-0003-1946-7009
Wilby, M. J.0000-0002-4399-0265
Additional Information:© 2020 Society of Photo-Optical Instrumentation Engineers (SPIE). The development of SCExAO was supported by the Japan Society for the Promotion of Science (Grant-in-Aid for Research #23340051, #26220704, #23103002, #19H00703 & #19H00695), the Astrobiology Center of the National Institutes of Natural Sciences, Japan, the Mt Cuba Foundation and the director's contingency fund at Subaru Telescope. F. Martinache's work is supported by the ERC award CoG - 683029. S.V. would also like to thank Julien Milli for the discussions on the Low Wind Effect. The authors wish to recognize and acknowledge the very significant cultural role and reverence that the summit of Maunakea has always had within the Hawaiian community. We are most fortunate to have the opportunity to conduct observations from this mountain.
Funding AgencyGrant Number
Japan Society for the Promotion of Science (JSPS)23340051
Japan Society for the Promotion of Science (JSPS)26220704
Japan Society for the Promotion of Science (JSPS)23103002
Japan Society for the Promotion of Science (JSPS)19H00703
Japan Society for the Promotion of Science (JSPS)19H00695
National Institutes of Natural Sciences of JapanUNSPECIFIED
Mt. Cuba Astronomical FoundationUNSPECIFIED
Subaru TelescopeUNSPECIFIED
European Research Council (ERC)683029
Subject Keywords:Focal plane wavefront sensing, High contrast imaging, Coronography, Low Wind Effect, Spiders, SCExAO
Series Name:Proceedings of SPIE
Issue or Number:11448
Record Number:CaltechAUTHORS:20210104-144946992
Persistent URL:
Official Citation:S. Vievard, S. P. Bos, F. Cassaing, T. Currie, V. Deo, O. Guyon, N. Jovanovic, C. U. Keller, M. Lamb, C. Lopez, J. Lozi, F. Martinache, K. Miller, A. Montmerle-Bonnefois, L. M. Mugnier, M. N'Diaye, B. Norris, A. Sahoo, J.-F. Sauvage, N. Skaf, F. Snik, M. J. Wilby, and A. Wong "Focal plane wavefront sensing on SUBARU/SCExAO", Proc. SPIE 11448, Adaptive Optics Systems VII, 114486D (13 December 2020);
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:107296
Deposited By: Tony Diaz
Deposited On:05 Jan 2021 00:07
Last Modified:16 Nov 2021 19:01

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