Evaluation of a Particle Sizing Technique Based on Laser Sheets

The use of a laser sheet (or elliptical Gaussian beam) in meas‐urement techniques is of growing interset. Some of these techniques take advantage of the wavefront curvature of such beams as in a dual‐crylindrical wave system (DCW). Nevertheless, up to now, the analysis of the properties of the light...

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Veröffentlicht in:Particle & particle systems characterization 1994-02, Vol.11 (1), p.101-106
Hauptverfasser: Gréhan, Gérard, Ren, Kuan Fang, Gouesbet, Geŕrd, Naqwi, Amir, Durst, Franz
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Sprache:eng
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Zusammenfassung:The use of a laser sheet (or elliptical Gaussian beam) in meas‐urement techniques is of growing interset. Some of these techniques take advantage of the wavefront curvature of such beams as in a dual‐crylindrical wave system (DCW). Nevertheless, up to now, the analysis of the properties of the light scattered by spherical particles form the beam has been carried out largely by using geometrical optics or classical Lorenz‐Mie theory. In this paper, the generalized Lorenz‐Mie theory (GLMT) is applied to the analysis of an existing DCW measurement system. Differences between the results predicted by classical approaches and by GLMT are emphasized.
ISSN:0934-0866
1521-4117
DOI:10.1002/ppsc.19940110113