Fast-convergent algorithm for speckle-based phase retrieval and a design for dynamic wavefront sensing
Applied Optics, Vol. 48, Issue 8, pp. 1485-1493 (2009)
http://dx.doi.org/10.1364/AO.48.001485
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Abstract
Wavefront reconstruction is carried out using sequentially recorded speckle patterns and an iterative phase retrieval method based on wave propagation. A novel fast-convergent algorithm that maintains the propagation distance in the iteration step equal to the distance between measurement planes is demonstrated. Employing the new algorithm, influences of the number of measurement planes, number of iterations, and uncertainties in the detector’s transverse and axial positions on the rate of phase convergence are analyzed experimentally. A conceptual design for a dynamic wavefront sensor using arrays of beam splitters and detectors for parallel speckle recording is described.
© 2009 Optical Society of America
OCIS Codes
(010.7350) Atmospheric and oceanic optics : Wave-front sensing
(030.6140) Coherence and statistical optics : Speckle
(050.1960) Diffraction and gratings : Diffraction theory
(100.3010) Image processing : Image reconstruction techniques
(100.5070) Image processing : Phase retrieval
(280.4788) Remote sensing and sensors : Optical sensing and sensors
ToC Category:
Atmospheric and Oceanic Optics: Wave-front Sensing
History
Original Manuscript: October 28, 2008
Revised Manuscript: February 5, 2009
Manuscript Accepted: February 12, 2009
Published: March 2, 2009
Citation
Percival F. Almoro, Anne Margarette S. Maallo, and Steen G. Hanson, "Fast-convergent algorithm for speckle-based phase retrieval and a design for dynamic wavefront sensing," Appl. Opt. 48, 1485-1493 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-8-1485
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