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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 11 — Jun. 1, 2013
  • pp: 1757–1759

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

Jeongtae Kim, Sohyun Ahn, Hyemin Lee, and Minyung Lee  »View Author Affiliations

Optics Letters, Vol. 38, Issue 11, pp. 1757-1759 (2013)

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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

OCIS Codes
(100.3190) Image processing : Inverse problems
(290.5850) Scattering : Scattering, particles

ToC Category:

Original Manuscript: January 24, 2013
Revised Manuscript: March 14, 2013
Manuscript Accepted: April 11, 2013
Published: May 20, 2013

Jeongtae Kim, Sohyun Ahn, Hyemin Lee, and Minyung Lee, "Estimation of particle size distribution using photon autocorrelation function from dynamic light scattering considering unknown baseline," Opt. Lett. 38, 1757-1759 (2013)

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