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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 3 — Feb. 1, 2014
  • pp: 559–562

Determination of refractive index, size, and concentration of nonabsorbing colloidal nanoparticles from measurements of the complex effective refractive index

Roberto Márquez-Islas, Celia Sánchez-Pérez, and Augusto García-Valenzuela  »View Author Affiliations


Optics Letters, Vol. 39, Issue 3, pp. 559-562 (2014)
http://dx.doi.org/10.1364/OL.39.000559


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Abstract

We describe a method for obtaining the refractive index (RI), size, and concentration of nonabsorbing nanoparticles in suspension from relatively simple optical measurements. The method requires measuring the complex effective RI of two dilute suspensions of the particles in liquids of different refractive indices. We describe the theoretical basis of the proposed method and provide experimental results validating the procedure.

© 2014 Optical Society of America

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(290.3030) Scattering : Index measurements
(290.5850) Scattering : Scattering, particles
(350.4990) Other areas of optics : Particles

ToC Category:
Scattering

History
Original Manuscript: September 30, 2013
Revised Manuscript: November 29, 2013
Manuscript Accepted: December 17, 2013
Published: January 24, 2014

Citation
Roberto Márquez-Islas, Celia Sánchez-Pérez, and Augusto García-Valenzuela, "Determination of refractive index, size, and concentration of nonabsorbing colloidal nanoparticles from measurements of the complex effective refractive index," Opt. Lett. 39, 559-562 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-3-559

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