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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 37, Iss. 5 — Mar. 1, 2012
  • pp: 869–871

Characterization of dielectric spheres by spiral imaging

Dmitri Petrov, Nicolas Rahuel, Gabriel Molina-Terriza, and Lluis Torner  »View Author Affiliations


Optics Letters, Vol. 37, Issue 5, pp. 869-871 (2012)
http://dx.doi.org/10.1364/OL.37.000869


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Abstract

We study the spiral spectra scattered off transparent dielectric spheres when probed by different Laguerre–Gaussian light beams, carrying nested topological wavefront dislocations. We show that such scattering data may be employed to determine geometrical properties of the spheres, such as their position. The technique is a generalization of standard Mie scattering, and it can be extended to study and to characterize nanospheres.

© 2012 Optical Society of America

OCIS Codes
(290.4020) Scattering : Mie theory
(080.4865) Geometric optics : Optical vortices

ToC Category:
Physical Optics

History
Original Manuscript: September 29, 2011
Revised Manuscript: December 21, 2011
Manuscript Accepted: January 17, 2012
Published: February 24, 2012

Virtual Issues
Vol. 7, Iss. 5 Virtual Journal for Biomedical Optics

Citation
Dmitri Petrov, Nicolas Rahuel, Gabriel Molina-Terriza, and Lluis Torner, "Characterization of dielectric spheres by spiral imaging," Opt. Lett. 37, 869-871 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-5-869


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