Wavefront sensing with random amplitude mask and phase retrieval
Optics Letters, Vol. 32, Issue 11, pp. 1584-1586 (2007)
http://dx.doi.org/10.1364/OL.32.001584
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Abstract
A light beam with an ideal wavefront that is transmitted or reflected from an object is modified by different characteristics of the object such as shape, refractive index, density, or temperature. Wavefront sensing therefore yields valuable information about the system or the changes happening to the system. A new method for wavefront sensing using a random amplitude mask and a phase retrieval method based on the Rayleigh–Sommerfeld wave propagation equation is described. The proposed method has many potential applications ranging from phase contrast imaging and measurement of lens aberration to shape measurement of three-dimensional objects.
© 2007 Optical Society of America
OCIS Codes
(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
ToC Category:
Coherence and Statistical Optics
History
Original Manuscript: February 21, 2007
Revised Manuscript: March 29, 2007
Manuscript Accepted: March 29, 2007
Published: May 18, 2007
Citation
Arun Anand, Giancarlo Pedrini, Wolfgang Osten, and Percival Almoro, "Wavefront sensing with random amplitude mask and phase retrieval," Opt. Lett. 32, 1584-1586 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-11-1584
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