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Linear analytical solution to the phase diversity problem for extended objects based on the Born approximation

Andrei, Raluca M; Smith, Carlas S; Fraanje, Rufus; Verhaegen, Michel; Korkiakoski, Visa; Keller, Christoph U; Doelman, Niek


In this paper we give a new wavefront estimation technique that overcomes the main disadvantages of the phase diversity (PD) algorithms, namely the large computational complexity and the fact that the solutions can get stuck in a local minima. Our approach gives a good starting point for an iterative algorithm based on solving a linear system, but it can also be used as a new wavefront estimation method. The method is based on the Born approximation of the wavefront for small phase aberrations...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Conference paper
Source: Proceedings of SPIE - The International Society for Optical Engineering
DOI: 10.1117/12.926119
Access Rights: Open Access


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