Sensorless adaptive optics system based on image second moment measurements

Tope Agbana; H. Yang; Oleg Soloviev; Gleb Vdovine; Michel Verhaegen

doi:10.1117/12.2227551

Sensorless adaptive optics system based on image second moment measurements

Tope Agbana, H. Yang, Oleg Soloviev, Gleb Vdovine, Michel Verhaegen

Team Raf Van de Plas

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

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Abstract

This paper presents experimental results of a static aberration control algorithm based on the linear relation be- tween mean square of the aberration gradient and the second moment of point spread function for the generation of control signal input for a deformable mirror (DM). Results presented in the work of Yang et al.1 suggested a good feasibility of the method for correction of static aberration for point and extended sources. However, a practical realisation of the algorithm has not been demonstrated. The goal of this article is to check the method experimentally in the real conditions of the present noise, finite dynamic range of the imaging camera, and system misalignments. The experiments have shown strong dependence of the linearity of the relationship on image noise and overall image intensity, which depends on the aberration level. Also, the restoration capability and the rate of convergence of the AO system for aberrations generated by the deformable mirror are experi- mentally investigated. The presented approach as well as the experimental results finds practical application in compensation of static aberration in adaptive microscopic imaging system.

Original language	English
Title of host publication	Proceedings of SPIE
Subtitle of host publication	Optics, Photonics and Digital Technologies for Imaging Applications IV
Editors	Peter Schelkens, Touradj Ebrahimi, Gabriel Cristóbal, Frédéric Truchetet, Pasi Saarikko
Place of Publication	Bellingham, WA, USA
Publisher	SPIE
Number of pages	9
Volume	9896
ISBN (Print)	978-1-510601413
DOIs	https://doi.org/10.1117/12.2227551
Publication status	Published - 2016
Event	Optics, Photonics and Digital Technologies for Imaging Applications IV - Brussels, Belgium Duration: 5 Apr 2016 → 6 Apr 2016

Publication series

Name	Proceedings of SPIE
Volume	9896
ISSN (Electronic)	1605-7422

Conference

Conference	Optics, Photonics and Digital Technologies for Imaging Applications IV
Country/Territory	Belgium
City	Brussels
Period	5/04/16 → 6/04/16

Keywords

wavefront sensorless adaptive optics
experimental results
static aberration
microscopic imaging system

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10.1117/12.2227551

989609Final published version, 1.02 MB

Cite this

Agbana, T., Yang, H., Soloviev, O., Vdovine, G., & Verhaegen, M. (2016). Sensorless adaptive optics system based on image second moment measurements. In P. Schelkens, T. Ebrahimi, G. Cristóbal, F. Truchetet, & P. Saarikko (Eds.), Proceedings of SPIE: Optics, Photonics and Digital Technologies for Imaging Applications IV (Vol. 9896). Article 989609 (Proceedings of SPIE; Vol. 9896). SPIE. https://doi.org/10.1117/12.2227551

Agbana, Tope ; Yang, H. ; Soloviev, Oleg et al. / Sensorless adaptive optics system based on image second moment measurements. Proceedings of SPIE: Optics, Photonics and Digital Technologies for Imaging Applications IV. editor / Peter Schelkens ; Touradj Ebrahimi ; Gabriel Cristóbal ; Frédéric Truchetet ; Pasi Saarikko. Vol. 9896 Bellingham, WA, USA : SPIE, 2016. (Proceedings of SPIE).

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title = "Sensorless adaptive optics system based on image second moment measurements",

abstract = "This paper presents experimental results of a static aberration control algorithm based on the linear relation be- tween mean square of the aberration gradient and the second moment of point spread function for the generation of control signal input for a deformable mirror (DM). Results presented in the work of Yang et al.1 suggested a good feasibility of the method for correction of static aberration for point and extended sources. However, a practical realisation of the algorithm has not been demonstrated. The goal of this article is to check the method experimentally in the real conditions of the present noise, finite dynamic range of the imaging camera, and system misalignments. The experiments have shown strong dependence of the linearity of the relationship on image noise and overall image intensity, which depends on the aberration level. Also, the restoration capability and the rate of convergence of the AO system for aberrations generated by the deformable mirror are experi- mentally investigated. The presented approach as well as the experimental results finds practical application in compensation of static aberration in adaptive microscopic imaging system. ",

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author = "Tope Agbana and H. Yang and Oleg Soloviev and Gleb Vdovine and Michel Verhaegen",

year = "2016",

doi = "10.1117/12.2227551",

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Agbana, T, Yang, H, Soloviev, O , Vdovine, G & Verhaegen, M 2016, Sensorless adaptive optics system based on image second moment measurements. in P Schelkens, T Ebrahimi, G Cristóbal, F Truchetet & P Saarikko (eds), Proceedings of SPIE: Optics, Photonics and Digital Technologies for Imaging Applications IV. vol. 9896, 989609, Proceedings of SPIE, vol. 9896, SPIE, Bellingham, WA, USA, Optics, Photonics and Digital Technologies for Imaging Applications IV, Brussels, Belgium, 5/04/16. https://doi.org/10.1117/12.2227551

Sensorless adaptive optics system based on image second moment measurements. / Agbana, Tope; Yang, H.; Soloviev, Oleg et al.
Proceedings of SPIE: Optics, Photonics and Digital Technologies for Imaging Applications IV. ed. / Peter Schelkens; Touradj Ebrahimi; Gabriel Cristóbal; Frédéric Truchetet; Pasi Saarikko. Vol. 9896 Bellingham, WA, USA: SPIE, 2016. 989609 (Proceedings of SPIE; Vol. 9896).

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

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AU - Agbana, Tope

AU - Yang, H.

AU - Soloviev, Oleg

AU - Vdovine, Gleb

AU - Verhaegen, Michel

PY - 2016

Y1 - 2016

N2 - This paper presents experimental results of a static aberration control algorithm based on the linear relation be- tween mean square of the aberration gradient and the second moment of point spread function for the generation of control signal input for a deformable mirror (DM). Results presented in the work of Yang et al.1 suggested a good feasibility of the method for correction of static aberration for point and extended sources. However, a practical realisation of the algorithm has not been demonstrated. The goal of this article is to check the method experimentally in the real conditions of the present noise, finite dynamic range of the imaging camera, and system misalignments. The experiments have shown strong dependence of the linearity of the relationship on image noise and overall image intensity, which depends on the aberration level. Also, the restoration capability and the rate of convergence of the AO system for aberrations generated by the deformable mirror are experi- mentally investigated. The presented approach as well as the experimental results finds practical application in compensation of static aberration in adaptive microscopic imaging system.

AB - This paper presents experimental results of a static aberration control algorithm based on the linear relation be- tween mean square of the aberration gradient and the second moment of point spread function for the generation of control signal input for a deformable mirror (DM). Results presented in the work of Yang et al.1 suggested a good feasibility of the method for correction of static aberration for point and extended sources. However, a practical realisation of the algorithm has not been demonstrated. The goal of this article is to check the method experimentally in the real conditions of the present noise, finite dynamic range of the imaging camera, and system misalignments. The experiments have shown strong dependence of the linearity of the relationship on image noise and overall image intensity, which depends on the aberration level. Also, the restoration capability and the rate of convergence of the AO system for aberrations generated by the deformable mirror are experi- mentally investigated. The presented approach as well as the experimental results finds practical application in compensation of static aberration in adaptive microscopic imaging system.

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KW - experimental results

KW - static aberration

KW - microscopic imaging system

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M3 - Conference contribution

SN - 978-1-510601413

VL - 9896

T3 - Proceedings of SPIE

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A2 - Ebrahimi, Touradj

A2 - Cristóbal, Gabriel

A2 - Truchetet, Frédéric

A2 - Saarikko, Pasi

PB - SPIE

CY - Bellingham, WA, USA

T2 - Optics, Photonics and Digital Technologies for Imaging Applications IV

Y2 - 5 April 2016 through 6 April 2016

ER -

Agbana T, Yang H, Soloviev O , Vdovine G , Verhaegen M. Sensorless adaptive optics system based on image second moment measurements. In Schelkens P, Ebrahimi T, Cristóbal G, Truchetet F, Saarikko P, editors, Proceedings of SPIE: Optics, Photonics and Digital Technologies for Imaging Applications IV. Vol. 9896. Bellingham, WA, USA: SPIE. 2016. 989609. (Proceedings of SPIE). doi: 10.1117/12.2227551

Sensorless adaptive optics system based on image second moment measurements

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