Experiments of two pupil lateral motion tracking algorithms using a Shack–Hartmann sensor

	Experiments of two pupil lateral motion tracking algorithms using a Shack–Hartmann sensor
	Dai, Xiaolin 1,2; Hippler, Stefan 1; Gendron, Eric 3
	2017
Source Publication	Journal of Modern Optics
ISSN	0950-0340
Volume	64 Issue:2 Pages:127-137
Abstract	Pupil stability is one of the factors which limit the performance and operational stability of adaptive optics (AO) systems. This paper analyses two pupil-tracking methods to measure the lateral pupil shift: the first one utilizes the fluxes in all outer edge sub-apertures of a Shack–Hartmann sensor and the second one utilizes the real-time interaction matrix used in an AO system. Experiments with 9 × 9 Shack–Hartmann sensor are conducted to verify both pupil-tracking algorithms. The results show that both algorithms are effective, after two correction steps, the residual pupil shift is reduced to less than 5% of a Shack–Hartmann sub-aperture. © 2016 Informa UK Limited, trading as Taylor & Francis Group.
Keyword	Algorithms - Tracking (position)
Indexed By	Ei
Language	英语
Document Type	期刊论文
Identifier	http://ir.ioe.ac.cn/handle/181551/8827
Collection	自适应光学技术研究室（八室）
Affiliation	1.Max-Planck Institute for Astronomy (MPIA), Heidelberg, Germany; 2.Laboratory of Adaptive Optics, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, China; 3.LESIA, Observatoire de Paris, Université Paris Diderot, Paris, France
Recommended Citation GB/T 7714	Dai, Xiaolin,Hippler, Stefan,Gendron, Eric. Experiments of two pupil lateral motion tracking algorithms using a Shack–Hartmann sensor[J]. Journal of Modern Optics,2017,64(2):127-137.
APA	Dai, Xiaolin,Hippler, Stefan,&Gendron, Eric.(2017).Experiments of two pupil lateral motion tracking algorithms using a Shack–Hartmann sensor.Journal of Modern Optics,64(2),127-137.
MLA	Dai, Xiaolin,et al."Experiments of two pupil lateral motion tracking algorithms using a Shack–Hartmann sensor".Journal of Modern Optics 64.2(2017):127-137.

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