Lasers and Their Applications

Optics and Spectroscopy

, Volume 98, Issue 3, pp 466-469

Formation of soliton-like light beams in an aqueous suspension of polystyrene particles

  • V. E. YashinAffiliated withResearch Institute of Laser Physics
  • , S. A. ChizhovAffiliated withResearch Institute of Laser Physics
  • , R. L. SabirovAffiliated withResearch Institute of Laser Physics
  • , T. V. StarchikovaAffiliated withResearch Institute of Laser Physics
  • , N. V. VysotinaAffiliated withResearch Institute of Laser Physics
  • , N. N. RozanovAffiliated withResearch Institute of Laser Physics
  • , V. E. SemenovAffiliated withResearch Institute of Laser Physics
  • , V. A. SmirnovAffiliated withResearch Institute of Laser Physics
  • , S. V. FedorovAffiliated withResearch Institute of Laser Physics

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Abstract

A Kerr nonlinear medium consisting of an aqueous suspension of dielectric nanoparticles is used for the observation of continuous self-focusing of laser light. The minimum width of the soliton-like beam is measured in relation to the radiation power and the particle concentration. The possibilities of maximum narrowing of the beam in such a medium are discussed.