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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 46, Iss. 2 — Jan. 10, 2007
  • pp: 234–238

Influence of sampling rate on the precision for particle size by dynamic light scattering with analog detection

Gang Wang, Yan Xue, Yun Jiang, Zhi-Hui Kang, Zhi-Sheng Zhao, and Jin-Yue Gao  »View Author Affiliations


Applied Optics, Vol. 46, Issue 2, pp. 234-238 (2007)
http://dx.doi.org/10.1364/AO.46.000234


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Abstract

A dynamic light scattering (DLS) experimental system has been set up to study the influence of the sampling rate on the precision of monodispersed particle sizing. Several different parameters relating to the measurement, such as the sampling rate, the number of the correlation channels, the storage depth, and the lag time, are selected to execute the DLS measurement. The experimental results obtained in different cases are reported, and the influences of the sampling rate on particle sizing are also discussed. From the results and discussion it can be seen that the sampling rate plays an important role in the measurement of the particle size. The variety of the sampling rate can lead to the presentation of different correlation functions and then different precision levels for the particle size. In conclusion, a suitable sampling rate is presented to direct the measurement of test particle size.

© 2007 Optical Society of America

OCIS Codes
(030.6600) Coherence and statistical optics : Statistical optics
(070.1170) Fourier optics and signal processing : Analog optical signal processing
(290.5820) Scattering : Scattering measurements

ToC Category:
Scattering

History
Original Manuscript: June 14, 2006
Revised Manuscript: August 21, 2006
Manuscript Accepted: September 14, 2006

Virtual Issues
Vol. 2, Iss. 2 Virtual Journal for Biomedical Optics

Citation
Gang Wang, Yan Xue, Yun Jiang, Zhi-Hui Kang, Zhi-Sheng Zhao, and Jin-Yue Gao, "Influence of sampling rate on the precision for particle size by dynamic light scattering with analog detection," Appl. Opt. 46, 234-238 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-2-234

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