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Autor Estrada, Julio César |
Documentos disponibles escritos por este autor (20)
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Quiroga Mellado, Juan Antonio ; Estrada, Julio César ; Servín Guirado, Manuel | The Optical Society Of America | 2009-09-14Systematic spectral analysis of Phase Shifting Interferometry (PSI) algorithms was first proposed in 1990 by Freischlad and Koliopoulos (F&K). This analysis was proposed with the intention that "in a glance" the main properties of the PSI algori[...]texto impreso
Quiroga Mellado, Juan Antonio ; Servín Guirado, Manuel ; Estrada, Julio César ; Gómez Pedrero, José Antonio | The Optical Society Of America | 2009-04-20It is well known that spatial phase shifting interferometry (SPSI) may be used to demodulate two-dimensional (2D) spatial-carrier-interfrograms. In these crises the application of SPSI is straightforward because the modulating phase is a monoton[...]texto impreso
Quiroga Mellado, Juan Antonio ; Estrada, Julio César ; Servín Guirado, Manuel | The Optical Society Of America | 2009-11-23We have been reporting several new techniques of analysis and synthesis applied to Phase Shifting Interferometry (PSI). These works are based upon the Frequency Transfer Function (FTF) and how this new tool of analysis and synthesis in PSI may b[...]texto impreso
Quiroga Mellado, Juan Antonio ; Vargas, Javier ; Sánchez Sorzano, Carlos Óscar ; Estrada, Julio César ; Carazo García, José María | The Optical Society Of America | 2011-09-01A two-step phase-shifting method, that can demodulate open-and closed-fringed patterns without local sign ambiguity is presented. The proposed method only requires a constant phase-shift between the two interferograms. This phase-shift does not [...]texto impreso
Quiroga Mellado, Juan Antonio ; Vargas, Javier ; Belenguer Dávila, Tomás ; Servín Guirado, Manuel ; Estrada, Julio César | The Optical Society Of America | 2011-01-11A two-step self-tuning phase-shifting method is presented. The phase-step between the two interferograms is not known when the experiment is performed. Our demodulating method finds, in a robust way, this unknown phase-step. Once the phase-step [...]