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Proceedings Paper

Estimating the shape factor of suspended particles in a liquid-borne particle counter
Author(s): Aladar Czitrovszky; Attila Nagy; Peter Jani
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Paper Abstract

A new liquid-borne particle counter is described that utilizes an optimized optical set-up to determine the size distribution and concentration by two different methods and to estimate the shape-factor of the suspended particles. The aim of this optimization was to achieve the appropriate optical conditions for such type of measurement, viz. determining the geometry of the illumination and detection, and calculating the testing volume and dependence of the parameters of detected signal on the particle size for pulse height and pulse duration methods performed at the same illumination and detection conditions. The possibility of estimating the shape-factor of micron-size particles is discussed. The proposed measurement method was incorporated in a PC-controlled LQB-1-200-L-T liquid-borne laser particle counter developed on the basis of previous APC- 03-2 and APC-03-2A air-borne particle counters and a LQB-1-200 liquid-borne particle counter.

Paper Details

Date Published: 29 September 1998
PDF: 6 pages
Proc. SPIE 3407, International Conference on Applied Optical Metrology, (29 September 1998); doi: 10.1117/12.323320
Show Author Affiliations
Aladar Czitrovszky, Research Institute for Solid State Physics and Optics (Hungary)
Attila Nagy, Research Institute for Solid State Physics and Optics (Hungary)
Peter Jani, Research Institute for Solid State Physics and Optics (Hungary)

Published in SPIE Proceedings Vol. 3407:
International Conference on Applied Optical Metrology
Pramod Kumar Rastogi; Ferenc Gyimesi, Editor(s)

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