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Articles

Self-action effects of quadruple-Gaussian laser beam in media possessing cubic–quintic nonlinearity

Pages 2350-2366 | Received 28 Dec 2017, Accepted 30 Jul 2018, Published online: 21 Aug 2018
 

ABSTRACT

Theoretical investigation self-action effects of Quadruple-Gaussian (Q.G) laser beams in media possessing cubic–quintic nonlinearity in their dielectric properties has been presented. Numerical solution of the nonlinear Schrodinger wave equation for the field of incident laser beam has been obtained by making the use of moment theory approach. Particular emphasis is laid on the dynamical variations of the spot size and longitudinal phase of the laser beam with distance of propagation. Self-trapping of the laser beam resulting from the balance between diffraction broadening and nonlinear refraction has been also investigated.

Disclosure statement

No potential conflict of interest was reported by the authors.

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