Feedforward operation of a lens setup for large defocus and astigmatism correction

Hans Verstraete; M. Almasian; Paolo Pozzi; R Bilderbeek; Jeroen Kalkman; DJ Faber; Michel Verhaegen

doi:10.1117/12.2227111

Feedforward operation of a lens setup for large defocus and astigmatism correction

Hans Verstraete, M. Almasian, Paolo Pozzi, R Bilderbeek, Jeroen Kalkman, DJ Faber, Michel Verhaegen

Team Raf Van de Plas

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

1 Citation (Scopus)

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Abstract

In this manuscript, we present a lens setup for large defocus and astigmatism correction. A deformable defocus lens and two rotational cylindrical lenses are used to control the defocus and astigmatism. The setup is calibrated using a simple model that allows the calculation of the lens inputs so that a desired defocus and astigmatism are actuated on the eye. The setup is tested by determining the feedforward prediction error, imaging a resolution target, and removing introduced aberrations.

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	6
Volume	9896
ISBN (Print)	978-1-510601413
DOIs	https://doi.org/10.1117/12.2227111
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

Active or Adaptive Optics
Imaging

Access to Document

10.1117/12.2227111

98960TFinal published version, 449 KB

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Verstraete, H., Almasian, M., Pozzi, P., Bilderbeek, R., Kalkman, J., Faber, DJ., & Verhaegen, M. (2016). Feedforward operation of a lens setup for large defocus and astigmatism correction. 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 98960T (Proceedings of SPIE; Vol. 9896). SPIE. https://doi.org/10.1117/12.2227111

Verstraete, Hans ; Almasian, M. ; Pozzi, Paolo et al. / Feedforward operation of a lens setup for large defocus and astigmatism correction. 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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Verstraete, H, Almasian, M, Pozzi, P, Bilderbeek, R, Kalkman, J, Faber, DJ & Verhaegen, M 2016, Feedforward operation of a lens setup for large defocus and astigmatism correction. 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, 98960T, 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/10.1117/12.2227111

Feedforward operation of a lens setup for large defocus and astigmatism correction. / Verstraete, Hans; Almasian, M.; Pozzi, Paolo 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. 98960T (Proceedings of SPIE; Vol. 9896).

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

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AU - Faber, DJ

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AB - In this manuscript, we present a lens setup for large defocus and astigmatism correction. A deformable defocus lens and two rotational cylindrical lenses are used to control the defocus and astigmatism. The setup is calibrated using a simple model that allows the calculation of the lens inputs so that a desired defocus and astigmatism are actuated on the eye. The setup is tested by determining the feedforward prediction error, imaging a resolution target, and removing introduced aberrations.

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KW - Imaging

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Verstraete H, Almasian M, Pozzi P, Bilderbeek R, Kalkman J, Faber DJ et al. Feedforward operation of a lens setup for large defocus and astigmatism correction. 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. 98960T. (Proceedings of SPIE). doi: 10.1117/12.2227111

Feedforward operation of a lens setup for large defocus and astigmatism correction

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