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5 March 2021 Adaptive optics OCT with a non-modulated pyramid wavefront sensor
Elisabeth Brunner, Julia Shatokhina, Muhammad Faizan Shirazi, Wolfgang Drexler, Rainer Leitgeb, Christoph K. Hitzenberger, Ronny Ramlau, Michael Pircher
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Proceedings Volume 11623, Ophthalmic Technologies XXXI; 116230C (2021) https://doi.org/10.1117/12.2579316
Event: SPIE BiOS, 2021, Online Only
Abstract
An adaptive optics optical coherence tomography (AO-OCT) system with a non-modulated pyramid wavefront sensor (P-WFS) is presented. The P-WFS is implemented as add-on to a Shack Hartmann (SH) WFS based AO-OCT system, where the AO loop is driven by either sensor. Equivalent performance of the AO-OCT is demonstrated with the P-WFS and the SH-WFS by visualizing the mosaics of different retinal cell types in image data obtained in-vivo at the fovea of a healthy volunteer. Contrary to the SH-WFS, the pupil sampling of P-WFS is flexible and may be adjusted in order to further increase the sensitivity of the sensor.
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Elisabeth Brunner, Julia Shatokhina, Muhammad Faizan Shirazi, Wolfgang Drexler, Rainer Leitgeb, Christoph K. Hitzenberger, Ronny Ramlau, and Michael Pircher "Adaptive optics OCT with a non-modulated pyramid wavefront sensor", Proc. SPIE 11623, Ophthalmic Technologies XXXI, 116230C (5 March 2021); https://doi.org/10.1117/12.2579316
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KEYWORDS
Adaptive optics
Wavefront sensors
Optical coherence tomography
Sensors
Adaptive optics optical coherence tomography
Visualization
Image quality
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