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Davis, Jeffrey A. ; Ramirez, Laura ; Rodrigo Martín-Romo, José Augusto ; Alieva, Tatiana Krasheninnikova ; Calvo Padilla, María Luisa | Alan E. Willner, University of Southern California | 2004-06-15We report the first experimental results, to our knowledge, with fractal zone plates implemented in a liquid-crystal display. Our results largely agree with theory for the axial irradiance distribution of these lenses. The dependence of the shap[...]texto impreso
Quiroga Mellado, Juan Antonio ; Villa Hernández, José de Jesús ; Rosa Vargas, José Ismael de la | Alan E. Willner, University of Southern California | 2009-06-01We use the regularization theory in a Bayesian framework to derive a quadratic cost function for denoising fringe patterns. As prior constraints for the regularization problem, we propose a Markov random field model that includes information abo[...]texto impreso
Vázquez Martínez, Luis ; Zorzano, María Paz ; Jiménez, Salvador | Alan E. Willner, University of Southern California | 2007We propose an algorithm to retrieve the global features of the spectral dependence of the ultraviolet (UV) irradiance from integrated, broadband UV measurements performed with a set of photodiodes with different UV filters. This fit, when applie[...]texto impreso
Vaveliuk, Pablo ; Lencina, Alberto Germán ; Rodrigo Martín-Romo, José Augusto ; Martínez Matos, Óscar | Alan E. Willner, University of Southern California | 2014-04-15In this Letter a new class of light beam arisen from the symmetrization of the spectral cubic phase of an Airy beam is presented. The symmetric Airy beam exhibits peculiar features. It propagates at initial stages with a single central lobe that[...]
