International Journal of
Physical Sciences

  • Abbreviation: Int. J. Phys. Sci.
  • Language: English
  • ISSN: 1992-1950
  • DOI: 10.5897/IJPS
  • Start Year: 2006
  • Published Articles: 2510

Full Length Research Paper

Propagation of a pulsed laser through a plasma based waveguide with a parabolic profile of the electron density

Esmaeil Eslami
Department of Physics, Iran University of Science and Technology, Narmak, Tehran, 16846-13114, Iran.
Email: [email protected]

  •  Accepted: 15 August 2012
  •  Published: 13 September 2012



The paper presents a numerical study of the periodic self focusing behavior of a laser pulse propagation in a gas filled capillary plasma with a parabolic electron density profile. An implicit and inherently stable Crank-Nicholson method was used to demonstrate the periodic laser beam waist behavior inside the tube discharge. The dependence of the tube radius and beam waist on maximum intensity delivered to the waveguide and its influence on the modulated Rayleigh length was discussed.


Key words: Plasma waveguide, pulsed laser, parabolic electron density.