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, Jie Qiao, Zachary Mulhollan, Zachary Mulhollan, Aaron Schweinsberg, Aaron Schweinsberg, Christophe Dorrer, 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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