Steiner B, Berge B, Gausmann R, Rohmann J, Rühl E. Fast in situ sizing technique for single levitated liquid aerosols.
APPLIED OPTICS 1999;
38:1523-1529. [PMID:
18305776 DOI:
10.1364/ao.38.001523]
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Abstract
A fast in situ sizing technique for single levitated aerosol particles is presented. It makes use of the analysis of fast-Fourier-transformed vertically polarized Mie scattering patterns from single liquid aerosols levitated in a Paul-trap-type electrodynamic balance. The technique is shown to give reliable results for a test sphere of known physical properties. A first application to aqueous sodium chloride aerosol particles that changed size on humidity variation is presented, yielding good agreement with the full Mie theory.
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