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Estimation of particle size distribution using photon autocorrelation function from dynamic light scattering considering unknown baseline

Title
Estimation of particle size distribution using photon autocorrelation function from dynamic light scattering considering unknown baseline
Authors
Kim J.Ahn S.Lee H.Lee M.
Ewha Authors
이민영김정태
SCOPUS Author ID
이민영scopus; 김정태scopus
Issue Date
2013
Journal Title
Optics Letters
ISSN
0146-9592JCR Link
Citation
vol. 38, no. 11, pp. 1757 - 1759
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Conventional methods for estimating particle size distribution (PSD) based on the computed field autocorrelation function (ACF) of dynamic light scattering data are prone to baseline error and random measurement errors. To reduce the effects of the errors efficiently and automatically, we propose a penalized nonlinear nonnegative least squares (NNLS) method based on the measured photon ACF that simultaneously determines the PSD and the unknown baseline. In simulations and experiments, the proposed method was able to estimate the PSD more accurately than the existing NNLS method using the computed field ACF. © 2013 Optical Society of America.
DOI
10.1364/OL.38.001757
Appears in Collections:
자연과학대학 > 화학·나노과학전공 > Journal papers
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