Gerchberg–Saxton algorithm: Difference between revisions

Revision as of 11:20, 7 April 2015

Revision as of 17:46, 24 August 2016

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[[ImageFile:GS-diagram.png|thumb|360px|The Gerchberg-Saxton Algortithm]]

[[File:CGH XmasTree.jpg|thumb|The replay field of a computer generated hologram generated by the Gerchberg-Saxton algorithm. The 'star' is the zero-order diffraction peak.]]

The '''Gerchberg–Saxton (GS) algorithm''' is an iterative [[algorithm]] for retrieving the phase of a pair of light distributions (or any other mathematically valid distribution) related via a propagating function, such as the [[Fourier transform]], if their intensities at their respective optical planes are known.