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Analysis of vibrations in a plate using interferometric methods 

Ángel-Toro, Luciano; Prieto, Daniel Velasquez; Rueda Muñóz, Edgar Alberto (SPIE, 2004-10-21)
In this work some frequencies and modes of vibration of a thin plate were determined using interferometric methods like: real-time holographic interferometry, time-average holographic interferometry, digital speckle pattern ...
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Features on photorefractive registered speckles 

Ángel-Toro, Luciano; Bolognini, Néstor; Tebaldi, Myrian (SPIE, 1999-04-29)
The recording and read-out of a volume speckle pattern is investigated for transmission geometry. The modulation of the 3D speckle grains appears when the image of a coherently illuminated random diffusor is formed onto ...
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Contrast inversion in the Lau phenomena implemented with a photorefractive grating 

Ángel Toro, Luciano; Tebaldi, Myrian Cristina; Bolognini, Néstor Alberto (SPIE, 1999-07-06)
It was implemented the Lau effect with a grating registered in a BSO crystal. Two different arrangement were analyzed. In both cases, it is possible to control the visibility and to produce the contrast inversion of fringes, ...
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Speckle photography through different multiaperture pupils 

Ángel Toro, Luciano; Tebaldi, Myrian Cristina; Bolognini, Néstor Alberto; Trivi, Marcelo Ricardo (SPIE/ 18th Congress of the International Commission for Optics, 1999-07-19)
An image multiplexing method based on the internal modulation of speckle grains by employing different multiple aperture pupils for recording is proposed. The interferometric fringes profile and visibility in the Fourier ...
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DC term filtering techniques in digital holography 

Velásquez-Prieto, Daniel; García Sucerquia, Jorge Iván; Herrera Ramírez, Jorge Alexis (SPIE, 2004-10-21)
In numerical hologram reconstruction like in optical holography, there exist different diffraction orders, which many times produce difficulties for the image visualizations. In numerical reconstruction, the filtering of ...

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Document type
Documento de conferencia (5)
AuthorBolognini, Néstor Alberto (2)Tebaldi, Myrian Cristina (2)Ángel Toro, Luciano (2)Ángel-Toro, Luciano (2)Bolognini, Néstor (1)... View MoreSubject
Diffraction (5)
DIFRACCIÓN (5)
CRISTALES (2)Crystal optics (2)Crystals (2)... View MoreDate Issued1999 (3)2004 (2)

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