Artículo
Acceso Abierto
Optical velocimetry based on the spatial correlation of off-axis image speckle patterns
Optical velocimetry based on the spatial correlation of off-axis image speckle patterns
Pomarico, Juan
Russo, Nélida Araceli
Sicre, Enrique Eduardo
Patrignani, Dante
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Resumen
A method is proposed for measuring the linear velocity of a moving rough surface. It is based on maximizing the spatial correlation between two laterally shifted image speckle patterns. Besides, an expression of a spatially variant point-spread function is given, which modifies the spatial distributions of the off axis image speckle patterns.
Palabras clave
speckle
velocimetry
image formation
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