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Proceedings Paper

In-vivo demonstration of AO-OCT with a 3-sided pyramid wavefront sensor (Conference Presentation)

Paper Abstract

An adaptive optics optical coherence tomography (AO-OCT) system with a 3-sided pyramid wavefront sensor (P-WFS) is presented. Compared to the Shack-Hartmann WFS, the P-WFS promises better sensitivity in low-light scenarios and greater flexibility in pupil sampling. Key feature of the presented set-up is that part of the imaging light is used to illuminate the WFS. The double pass enables closed loop correction without beam modulation and speckle patterns in the sensor read-out are averaged out during scanning. The developed instrument is demonstrated with retinal images obtained in-vivo, where the cone mosaic is clearly visualized at ~4° eccentricity from the fovea.

Paper Details

Date Published: 9 March 2020
Proc. SPIE 11218, Ophthalmic Technologies XXX, 112180R (9 March 2020); doi: 10.1117/12.2549506
Show Author Affiliations
Elisabeth F. Brunner, Medizinische Univ. Wien (Austria)
Iuliia Shatokhina, Johannes Kepler Univ. Linz (Austria)
Muhammad Faizan Shirazi, Medizinische Univ. Wien (Austria)
Wolfgang Drexler, Medizinische Univ. Wien (Austria)
Christoph K. F. Hitzenberger, Medizinische Univ. Wien (Austria)
Rainer A. Leitgeb, Medizinische Univ. Wien (Austria)
Ronny Ramlau, Johannes Kepler Univ. Linz (Austria)
Michael Pircher, Medizinische Univ. Wien (Austria)

Published in SPIE Proceedings Vol. 11218:
Ophthalmic Technologies XXX
Fabrice Manns; Arthur Ho; Per G. Söderberg, Editor(s)

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