27 July 2016 Development of an optical differentiation wavefront sensor based on binary pixelated transmission filters
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Abstract
We demonstrate the performance of an optical differentiation wavefront sensor (ODWS) relying on an optical system that images the pupil to a camera. A binary pixelated transmission filter with a linear amplitude-transmission gradient is located in a far field of the pupil. The ODWS uses the fluence data measured in the detection plane for two orthogonal orientations of the filter to determine wavefront-slope data along the two corresponding directions in the pupil plane. This technique allows for acquisition in real-time without moving parts, providing high resolution, high dynamic range, and achromatic wavefront sensing for astronomical imaging or metrology applications.
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Jie Qiao, Zachary Mulhollan, Aaron Schweinsberg, Christophe Dorrer, "Development of an optical differentiation wavefront sensor based on binary pixelated transmission filters", Proc. SPIE 9909, Adaptive Optics Systems V, 99096R (27 July 2016); doi: 10.1117/12.2232813; https://doi.org/10.1117/12.2232813
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