Very high-speed digital holography

Carlos Pérez López; Fernando Mendoza Santoyo; Ramón Rodríguez Vera; David Moreno; Bernardino Barrientos

doi:10.1117/12.695997

15 September 2006 Very high-speed digital holography

Carlos Pérez López, Fernando Mendoza Santoyo, Ramón Rodríguez Vera, David Moreno, Bernardino Barrientos

Proceedings Volume 6341, Speckle06: Speckles, From Grains to Flowers; 63412Y (2006) https://doi.org/10.1117/12.695997
Event: Speckle06: Speckles, From Grains to Flowers, 2006, Nimes, France

Abstract

It is reported for the first time the use of a high speed camera in digital holography with an out of plane sensitivity. The camera takes the image plane holograms of a cw laser illuminated rectangular framed polyester material at a rate of 5000 per second, that is a spacing of 200 microseconds between holograms, and 512 by 500 pixels at 10 bit resolution. The freely standing object has a random movement due to non controlled environmental air currents. As is usual with this technique each digital hologram is Fourier processed in order to obtain upon comparison with a consecutive digital hologram the phase map of the displacement. High quality results showing the amplitude and direction of the random movement are presented.

Citation Download Citation

Carlos Pérez López, Fernando Mendoza Santoyo, Ramón Rodríguez Vera, David Moreno, and Bernardino Barrientos "Very high-speed digital holography", Proc. SPIE 6341, Speckle06: Speckles, From Grains to Flowers, 63412Y (15 September 2006); https://doi.org/10.1117/12.695997

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