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Proceedings Paper

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

A method for particle size and position measurement based on digital holography is described. A plane wave passes a particle stream and the diffracted wave is recorded directly by a CCD-sensor without any focusing optics. The reconstruction of the particle distribution from the recorded diffraction pattern is done numerically with a computer. Diffraction patterns from different directions are taken at a fixed instant of time, evaluated independently and finally the reconstructed scenes are combined by tomographic methods.

Paper Details

Date Published: 17 September 1997
PDF: 7 pages
Proc. SPIE 3098, Optical Inspection and Micromeasurements II, (17 September 1997); doi: 10.1117/12.281165
Show Author Affiliations
Mike Adams, Bremer Institut fuer Angewandte Strahltechnik (Germany)
Thomas M. Kreis, Bremer Institut fuer Angewandte Strahltechnik (Germany)
Werner P. O. Jueptner, Bremer Institut fuer Angewandte Strahltechnik (Germany)


Published in SPIE Proceedings Vol. 3098:
Optical Inspection and Micromeasurements II
Christophe Gorecki, Editor(s)

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