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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 7, Iss. 8 — Aug. 2, 2012

Study of optical parameters of polystyrene spheres in dense aqueous suspensions

Hui Xia, Caixia Miao, Jianwei Cheng, Shaohua Tao, Ruyi Pang, and Xiaoyun Wu  »View Author Affiliations


Applied Optics, Vol. 51, Issue 16, pp. 3263-3268 (2012)
http://dx.doi.org/10.1364/AO.51.003263


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Abstract

We investigated the dependence of the scattering and absorption coefficients of particles in dense suspensions by the low-coherence fiber optic dynamic light scattering (FODLS) technique. The estimated particle size was used to calculate the scattering coefficient of particles suspended in dense suspensions. The path-length resolved intensity distributions of light backscattered from absorbing dense suspensions were investigated experimentally. The absorption coefficient can be obtained by applying the measured path-length resolved intensity distributions to the modified Lambert–Beer law. As a result, the low-coherence FODLS technique can simultaneously measure the scattering and absorption coefficients of particles in absorbing dense suspensions, and the scattering and absorption coefficients are independent of each other in dense suspensions in the low-scattering regime of 2ld<10*.

© 2012 Optical Society of America

OCIS Codes
(290.0290) Scattering : Scattering
(290.1350) Scattering : Backscattering
(290.5820) Scattering : Scattering measurements
(290.5850) Scattering : Scattering, particles

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: February 24, 2012
Revised Manuscript: March 30, 2012
Manuscript Accepted: April 3, 2012
Published: May 23, 2012

Virtual Issues
Vol. 7, Iss. 8 Virtual Journal for Biomedical Optics

Citation
Hui Xia, Caixia Miao, Jianwei Cheng, Shaohua Tao, Ruyi Pang, and Xiaoyun Wu, "Study of optical parameters of polystyrene spheres in dense aqueous suspensions," Appl. Opt. 51, 3263-3268 (2012)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-51-16-3263

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