Journal
PHOTONIX
Volume 2, Issue 1, Pages -Publisher
SPRINGERNATURE
DOI: 10.1186/s43074-021-00030-4
Keywords
Wavefront sensing; Aberration correction; Deep learning
Categories
Funding
- National Natural Science Foundation of China [61927810, 62075183]
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The study compared the characteristics of direct and indirect reconstruction methods using deep learning neural networks for wavefront sensing and aberration correction in atmospheric turbulence. The research verified the generalization ability of the network for single and multiple objects, as well as the correction effect on a turbulence pool and feasibility in a real atmospheric turbulence environment.
Deep learning neural networks are used for wavefront sensing and aberration correction in atmospheric turbulence without any wavefront sensor (i.e. reconstruction of the wavefront aberration phase from the distorted image of the object). We compared and found the characteristics of the direct and indirect reconstruction ways: (i) directly reconstructing the aberration phase; (ii) reconstructing the Zernike coefficients and then calculating the aberration phase. We verified the generalization ability and performance of the network for a single object and multiple objects. What's more, we verified the correction effect for a turbulence pool and the feasibility for a real atmospheric turbulence environment.
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