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Title

Error analysis and correction in wavefront reconstruction from the transport-of-intensity equation

AuthorsBarbero, Sergio ; Thibos, Larry N.
KeywordsWavefront reconstruction
Transport-of-intensity-equation
Phase retrieval
Issue Date18-Sep-2006
PublisherThe International Society for Optics and Photonics
CitationOptical Engineering 45(9): 094001 (2006)
AbstractWavefront reconstruction from the transport-of-intensity equation (TIE) is a well-posed inverse problem given smooth signals and appropriate boundary conditions. However, in practice experimental errors lead to an ill-condition problem. A quantitative analysis of the effects of experimental errors is presented in simulations and experimental tests. The relative importance of numerical, misalignment, quantization, and photodetection errors are shown. It is proved that reduction of photodetection noise by wavelet filtering significantly improves the accuracy of wavefront reconstruction from simulated and experimental data.
Description6 pages, 6 figures.-- ©2006 Society of Photo-Optical Instrumentation Engineers.
Publisher version (URL)http://dx.doi.org/10.1117/1.2352732
URIhttp://hdl.handle.net/10261/8586
DOIhttp://dx.doi.org/10.1117/1.2352732
ISSN0091-3286
Appears in Collections:(CFMAC-IO) Artículos
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