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13 March 2024 Neuromorphic wavefront sensing for high-speed adaptive optics
Francisco Sanchez
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Proceedings Volume PC12851, Adaptive Optics and Wavefront Control for Biological Systems X; PC128510J (2024) https://doi.org/10.1117/12.3002924
Event: SPIE BiOS, 2024, San Francisco, California, United States
Abstract
Wavefront sensing is often the loop speed limiting factor in adaptive optics (AO) implementations. Currently available wavefront sensos rely on the use of high-speed cameras with small temporal resolution, but they often stream data to a buffer limiting the speed of feedback control loops. Neuromorphic cameras respond to changes in intensity, streaming only dynamic information from the scene in an Address-Event Representation format. In this work, we demonstrate the estimation of wavefront slopes utilizing a neuromorphic camera in a Shack-Hartman wavefront sensor configuration integrated in a simple but fast AO control loop.
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Francisco Sanchez "Neuromorphic wavefront sensing for high-speed adaptive optics", Proc. SPIE PC12851, Adaptive Optics and Wavefront Control for Biological Systems X, PC128510J (13 March 2024); https://doi.org/10.1117/12.3002924
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KEYWORDS
Adaptive optics
Wavefront sensors
Cameras
Deformable mirrors
Feedback control
High speed cameras
Temporal resolution
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