Virtual Speckle in Phase Retrieval

W.J. Dallas; A.S. Marathay; B. Saif

doi:10.1364/FIO.2003.ThW1

Frontiers in Optics
OSA Technical Digest (CD) (Optica Publishing Group, 2003),
paper ThW1
•https://doi.org/10.1364/FIO.2003.ThW1

Virtual Speckle in Phase Retrieval

W.J. Dallas, A.S. Marathay, and B. Saif

Frontiers in Optics 2003

Tucson, Arizona United States
5–8 October 2003
ISBN: 1-55752-759-8

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Astronomical Optics II (ThW)

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W. J. Dallas, A. S. Marathay, and B. Saif, "Virtual Speckle in Phase Retrieval," in Frontiers in Optics, OSA Technical Digest (CD) (Optica Publishing Group, 2003), paper ThW1.

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Abstract

Even for a speckle-free optical imaging system, a speckle-like pattern can be generated in a phase-retrieval computation. The origin of this pattern, which we term virtual speckle, is the result of an interaction between detector noise in the acquired data and the aperture constraint in the retrieval algorithm.

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