The proposed technique is a combination of phase retrieval and wavefront sensing with diffractive elements. The diffractive element enhances the convergence of phase retrieval and offers advantages, which are not achievable with micro lenses.
© 2013 OSA
K. Brenner and X. Liu, "Phase retrieval from multi-plane intensity measurements with wavefront sensing," in Digital Holography and Three-Dimensional Imaging, OSA Technical Digest (online) (Optical Society of America, 2013), paper DTh4A.8.
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