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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 21 — Nov. 1, 2007
  • pp: 3215–3217

Optical three-dimensional shape analysis of metallic nanoparticles after laser-induced deformation

A. Stalmashonak, G. Seifert, and H. Graener  »View Author Affiliations


Optics Letters, Vol. 32, Issue 21, pp. 3215-3217 (2007)
http://dx.doi.org/10.1364/OL.32.003215


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Abstract

The 3D shape of Ag nanoparticles in glass irradiated by fs laser pulses is investigated by optical spectroscopy. It is shown that in general spheroids are produced with their symmetry axis oriented along the direction of the linear laser polarization. Depending on the actual irradiation conditions, oblate or prolate spheroids are obtained. The halo of small Ag clusters and Ag ions around the reshaped particles causes a redshift of the surface plasmon resonances via refractive index increase.

© 2007 Optical Society of America

OCIS Codes
(220.4610) Optical design and fabrication : Optical fabrication
(230.5440) Optical devices : Polarization-selective devices
(250.5403) Optoelectronics : Plasmonics

ToC Category:
Optical Design and Fabrication

History
Original Manuscript: July 24, 2007
Manuscript Accepted: September 23, 2007
Published: October 30, 2007

Citation
A. Stalmashonak, G. Seifert, and H. Graener, "Optical three-dimensional shape analysis of metallic nanoparticles after laser-induced deformation," Opt. Lett. 32, 3215-3217 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-21-3215

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