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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 19 — Sep. 18, 2006
  • pp: 8849–8865

Rayleigh-Debye-Gans as a model for continuous monitoring of biological particles: Part I, assessment of theoretical limits and approximations

Alicia C. Garcia-Lopez, Arthur David Snider, and Luis H. Garcia-Rubio  »View Author Affiliations


Optics Express, Vol. 14, Issue 19, pp. 8849-8865 (2006)
http://dx.doi.org/10.1364/OE.14.008849


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Abstract

A rapid tool for the characterization of submicron particles is light spectroscopy. Rayleigh-Debye-Gans and Mie theories provide light scattering solutions that can be evaluated within the time constants required for continuous real time monitoring applications, as in characterization of biological particles. A multiwavelength assessment of Rayleigh-Debye-Gans theory for spheres was conducted over the UV-Vis wavelength range where strict adherence to the limits of the theory at a single wavelength could not be met. Reported corrections to the refractive indices were developed to extend the range of application of the Rayleigh-Debye-Gans approximation. The results of this study show that there is considerable disagreement between Rayleigh-Debye-Gans and Mie theory across the UV-Vis spectrum.

© 2006 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(350.4990) Other areas of optics : Particles

ToC Category:
Scattering

History
Original Manuscript: May 25, 2006
Revised Manuscript: July 28, 2006
Manuscript Accepted: July 29, 2006
Published: September 18, 2006

Virtual Issues
Vol. 1, Iss. 10 Virtual Journal for Biomedical Optics

Citation
Alicia C. Garcia-Lopez, Arthur D. Snider, and Luis H. Garcia-Rubio, "Rayleigh-Debye-Gans as a model for continuous monitoring of biological particles: Part I, assessment of theoretical limits and approximations," Opt. Express 14, 8849-8865 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-19-8849


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