Laser Beam Filamentation in Fractal Aggregates

Claudio Conti, Neda Ghofraniha, Giancarlo Ruocco, and Stefano Trillo
Phys. Rev. Lett. 97, 123903 – Published 21 September 2006

Abstract

We investigate filamentation of a cw laser beam in soft matter such as colloidal suspensions and fractal gels. The process, driven by electrostriction, is strongly affected by material properties, which are taken into account via the static structure factor, and have impact on the statistics of the light filaments.

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  • Received 31 March 2006

DOI:https://doi.org/10.1103/PhysRevLett.97.123903

©2006 American Physical Society

Authors & Affiliations

Claudio Conti1,2, Neda Ghofraniha3, Giancarlo Ruocco2, and Stefano Trillo4,*

  • 1Research Center “Enrico Fermi,” Via Panisperna 89/A, 00184 Rome, Italy
  • 2INFM CRS-SOFT Universitá di Roma “La Sapienza,” P. A. Moro 2, 00185, Roma, Italy
  • 3INFM SMC Universitá di Roma “La Sapienza,” P. A. Moro 2, 00185, Roma, Italy
  • 4Department of Engineering, University of Ferrara, Via Saragat 1, 44100 Ferrara, Italy

  • *Electronic address: claudio.conti@phys.uniroma1.it

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Issue

Vol. 97, Iss. 12 — 22 September 2006

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