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Proceedings Paper

Nanoparticle size distribution measurement in photon correlation experiments
Author(s): Peter Jani; Attila Nagy; Aladar Czitrovszky
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Paper Abstract

We propose the measurement of particle size, which is based on the visibility measurement of the pre-detection signal corresponding to particle transit of the sensing volume in a photon correlation LDA arrangement. It is shown that a good estimate of the visibility is the ratio of the contents of two specific channels of the Fourier transform of the autocorrelation function. We show that in a wide range of experimental conditions this ratio is a monotonous function of particle size. This circumstance leads to the possibility of defining calibration curves for practical devices.

Paper Details

Date Published: 19 July 1999
PDF: 2 pages
Proc. SPIE 3749, 18th Congress of the International Commission for Optics, (19 July 1999); doi: 10.1117/12.354834
Show Author Affiliations
Peter Jani, Research Institute for Solid State Physics and Optics (Hungary)
Attila Nagy, Research Institute for Solid State Physics and Optics (Hungary)
Aladar Czitrovszky, Research Institute for Solid State Physics and Optics (Hungary)


Published in SPIE Proceedings Vol. 3749:
18th Congress of the International Commission for Optics
Alexander J. Glass; Joseph W. Goodman; Milton Chang; Arthur H. Guenther; Toshimitsu Asakura, Editor(s)

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