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Título: | Error analysis and correction in wavefront reconstruction from the transport-of-intensity equation |
Autor: | Barbero, Sergio CSIC ORCID; Thibos, Larry N. | Palabras clave: | Wavefront reconstruction Transport-of-intensity-equation Phase retrieval |
Fecha de publicación: | 18-sep-2006 | Editor: | The International Society for Optics and Photonics | Citación: | Optical Engineering 45(9): 094001 (2006) | Resumen: | Wavefront 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. | Descripción: | 6 pages, 6 figures.-- ©2006 Society of Photo-Optical Instrumentation Engineers. | Versión del editor: | http://dx.doi.org/10.1117/1.2352732 | URI: | http://hdl.handle.net/10261/8586 | DOI: | 10.1117/1.2352732 | ISSN: | 0091-3286 |
Aparece en las colecciones: | (CFMAC-IO) Artículos |
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