Zhentao Zhang
Global tip-tilt and high-order aberration correction with plenoptic wavefront sensors in closed-loop AO systems
Zhang, Zhentao; Morris, Tim; Bharmal, Nazim; Liang, Yonghui
Authors
Professor Timothy Morris t.j.morris@durham.ac.uk
Professor
Dr Nazim Bharmal n.a.bharmal@durham.ac.uk
Senior Adaptive Optics Scientist
Yonghui Liang
Abstract
The plenoptic wavefront sensor (PlWFS) has been proposed as being suitable for operating on extended objects in adaptive optics (AO) systems. We propose a new self-referencing method that uses the cell image of PlWFS as a correlation reference and enables the simultaneous measurement of high-order aberrations and tilt. Simulations have been performed for different operating conditions to verify the feasibility of the proposed method. These show that using the cell image results in better AO performance compared to existing reference generation techniques and allows stable wavefront tilt control with a small residual variance.
Citation
Zhang, Z., Morris, T., Bharmal, N., & Liang, Y. (2021). Global tip-tilt and high-order aberration correction with plenoptic wavefront sensors in closed-loop AO systems. Applied Optics, 60(14), 4208 - 4216. https://doi.org/10.1364/ao.420729
Journal Article Type | Article |
---|---|
Acceptance Date | Apr 20, 2021 |
Online Publication Date | Apr 21, 2021 |
Publication Date | May 10, 2021 |
Deposit Date | Jul 19, 2021 |
Publicly Available Date | Oct 13, 2021 |
Journal | Applied Optics |
Print ISSN | 1559-128X |
Electronic ISSN | 2155-3165 |
Publisher | Optica |
Peer Reviewed | Peer Reviewed |
Volume | 60 |
Issue | 14 |
Pages | 4208 - 4216 |
DOI | https://doi.org/10.1364/ao.420729 |
Public URL | https://durham-repository.worktribe.com/output/1239314 |
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Publisher Licence URL
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Copyright Statement
Advance online version Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.
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