Digital adaptive optics with interferometric homodyne encoding for mitigating atmospheric turbulence for imaging applications

Kyle R. Drexler; Skylar Lilledahl; Benjamin Laxton; Burton Neuner III

doi:10.1117/12.2666779

13 June 2023 Digital adaptive optics with interferometric homodyne encoding for mitigating atmospheric turbulence for imaging applications

Kyle R. Drexler, Skylar Lilledahl, Benjamin Laxton, Burton Neuner III

Author Affiliations +

Proceedings Volume 12523, Computational Imaging VII ; 1252306 (2023) https://doi.org/10.1117/12.2666779
Event: SPIE Defense + Commercial Sensing, 2023, Orlando, Florida, United States

Abstract

Digital adaptive optics created using homodyne encoding can mitigate atmospheric turbulence in passive imaging systems. This work demonstrates a self-referencing homodyne interferometry technique that combines the passive imaging utility of multi-frame algorithmic procedures with the single-frame correction capability of the Shack-Hartmann adaptive optics technique. As an expansion of recent progress on three sub-aperture assemblies, this work showcases the latest results from the NIWC Pacific team to include coherently reconstructing 18 sub-apertures.

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Kyle R. Drexler, Skylar Lilledahl, Benjamin Laxton, and Burton Neuner III "Digital adaptive optics with interferometric homodyne encoding for mitigating atmospheric turbulence for imaging applications", Proc. SPIE 12523, Computational Imaging VII , 1252306 (13 June 2023); https://doi.org/10.1117/12.2666779

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