Applied Physics B

, Volume 80, Issue 4, pp 595–601

Laser ablation of GaAs in liquids: structural, optical, and nonlinear optical characteristics of colloidal solutions

Authors

    • The Institute for Solid State PhysicsThe University of Tokyo
    • NPO Akadempribor, Akademgorodok
  • M. Baba
    • The Institute for Solid State PhysicsThe University of Tokyo
  • A. I. Ryasnyansky
    • Institut des Nano-Sciences de ParisCNRS – Université Pierre et Marie Curie
  • M. Suzuki
    • The Institute for Solid State PhysicsThe University of Tokyo
  • H. Kuroda
    • The Institute for Solid State PhysicsThe University of Tokyo
Article

DOI: 10.1007/s00340-004-1734-9

Cite this article as:
Ganeev, R.A., Baba, M., Ryasnyansky, A.I. et al. Appl. Phys. B (2005) 80: 595. doi:10.1007/s00340-004-1734-9

Abstract

We investigated the optical, structural, and nonlinear optical properties of GaAs nanoparticles prepared by laser ablation in various liquids at the wavelengths of 795 nm and 1,054 nm. The slow-thermal-effect-induced self-defocusing processes were dominating both in the cases of high pulse repetition rate and nanosecond pulses. The two-photon absorption was observed in these colloidal solutions in the case of low pulse repetition rate of picosecond and femtosecond radiation. The nonlinear susceptibility of GaAs nanoparticles ablated in water was measured to be 2× 10−9 esu.

PACS

42.65.An42.65.Jx42.70.Nq78.40.Fy78.67.Bf

Copyright information

© Springer-Verlag 2005