Lensless Imaging from Diffraction Intensity Measurements by Use of a Noniterative Phase-Retrieval Method
Applied Optics, Vol. 43, Issue 8, pp. 1710-1718 (2004)
http://dx.doi.org/10.1364/AO.43.001710
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Abstract
A method of reconstructing the complex amplitude of an object that is illuminated by a coherent wave from its Fresnel diffraction patterns is proposed for high-frequency wave phenomena such as x-rays and electron waves. A noniterative phase-retrieval method that uses a Gaussian filter is employed here, and it is shown that the object’s illumination with amplitude distribution in the Fraunhofer diffraction pattern of a circular aperture can be used as a substitute for the Gaussian filter. This method has an advantage over other noniterative phase-retrieval methods in that it can retrieve phase vortices.
© 2004 Optical Society of America
OCIS Codes
(100.0100) Image processing : Image processing
(100.5070) Image processing : Phase retrieval
Citation
Nobuharu Nakajima, "Lensless Imaging from Diffraction Intensity Measurements by Use of a Noniterative Phase-Retrieval Method," Appl. Opt. 43, 1710-1718 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-8-1710
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