[PDF]    http://dx.doi.org/10.3952/lithjphys.46307

Open access article / Atviros prieigos straipsnis

Lith. J. Phys. 46, 301–306 (2006)


SELF-ACTION OF THE PULSED CONICAL LIGHT BEAM IN NONLINEAR MEDIUM
V. Pyragaitė, A. Stabinis, A. Dubietis, E. Kučinskas, and A. Piskarskas
Department of Quantum Electronics, Vilnius University, Saulėtekio 9, LT-10222 Vilnius, Lithuania
E-mail: algirdas.stabinis@ff.vu.lt

Received 3 July 2006

The self-action of the pulsed conical beam in the nonlinear medium is theoretically analysed. The results of the numerical calculation of nonlinear Schrödinger equation are presented. The generation of on-axis beam with broad frequency spectrum is foreseen and confirmed by the experimental observation in water.
Keywords: Bessel beam, nonlinear optics, self-action
PACS: 42.60Jf, 42.65.-k


IMPULSINIO KŪGINIO ŠVIESOS PLUOŠTO SAVIVEIKA NETIESINĖJE TERPĖJE
V. Pyragaitė, A. Stabinis, A. Dubietis, E. Kučinskas, A. Piskarskas
Vilniaus universitetas, Vilnius, Lietuva

Teoriškai išnagrinėta impulsinio kūginio pluošto saviveika netiesinėje terpėje. Pateikti netiesinės Šrėdingerio (Schrödinger) lygties skaitmeninio modeliavimo rezultatai. Numatytas ir eksperimentiškai pademonstruotas plačios dažnių juostos ašinio pluošto susidarymas vandenyje.


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