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Título

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

AutorBarbero, Sergio ; Thibos, Larry N.
Palabras claveWavefront reconstruction
Transport-of-intensity-equation
Phase retrieval
Fecha de publicación18-sep-2006
EditorSociety of Photo-Optical Instrumentation Engineers
CitaciónOptical Engineering 45(9): 094001 (2006)
ResumenWavefront 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.
Descripción6 pages, 6 figures.-- ©2006 Society of Photo-Optical Instrumentation Engineers.
Versión del editorhttp://dx.doi.org/10.1117/1.2352732
URIhttp://hdl.handle.net/10261/8586
DOI10.1117/1.2352732
ISSN0091-3286
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