Reduction of speckle noise in digital holography

Jorge Ivan Garcia-Sucerquia; J. A. Herrera Ramirez; Roman Castaneda; Daniel Velasquez Prieto

doi:10.1117/12.591652

21 October 2004 Reduction of speckle noise in digital holography

Jorge Ivan Garcia-Sucerquia, J. A. Herrera Ramirez, Roman Castaneda, Daniel Velasquez Prieto

Proceedings Volume 5622, 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications; (2004) https://doi.org/10.1117/12.591652
Event: 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications, 2004, Porlamar, Venezuela

Abstract

A fundamental problem in holography, as well optical as digital, is the presence of speckle noise in the reconstruction process. Many approaches have been carried out in order overcome such a problem, ranging from altering the spatial coherence (optical techniques) of the illumination to imaging processing techniques (digital techniques). This work shows the merged use of digital imaging techniques in order to reduce the speckle noise in digital reconstruction of optically recorded Fresnel's holograms. The proposed filtering techniques are illustrated with experimental results.

Citation Download Citation

Jorge Ivan Garcia-Sucerquia, J. A. Herrera Ramirez, Roman Castaneda, and Daniel Velasquez Prieto "Reduction of speckle noise in digital holography", Proc. SPIE 5622, 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications, (21 October 2004); https://doi.org/10.1117/12.591652

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