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Proceedings Paper

Particle measurement with digital holography
Author(s): Mike Adams; Thomas M. Kreis; Werner P. O. Jueptner
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Paper Abstract

Digital recording of holograms followed by numerical reconstruction of the wave field offers new alternatives in particle diagnostics. A plane wave passes a particle stream and the hologram is recorded directly by a CCD-sensor without any focusing optics. The reconstruction of the particle distribution and velocity from the recorded hologram is done numerically. Multiple holograms of the particle stream are recorded at a single instant of time from different directions. By evaluating these holograms independently it is possible to determine the 3D distribution and velocity of particles with a very high accuracy.

Paper Details

Date Published: 9 September 1999
PDF: 6 pages
Proc. SPIE 3823, Laser Metrology and Inspection, (9 September 1999); doi: 10.1117/12.360996
Show Author Affiliations
Mike Adams, Bremen Institute of Applied Beam Technology (Germany)
Thomas M. Kreis, Bremen Institute of Applied Beam Technology (Germany)
Werner P. O. Jueptner, Bremen Institute of Applied Beam Technology (Germany)

Published in SPIE Proceedings Vol. 3823:
Laser Metrology and Inspection
Hans J. Tiziani; Pramod Kumar Rastogi, Editor(s)

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