K.H. Michel, E. Courtens
Physical Review B
New results about the self-focusing of gaussian beams in nonlinear index media are presented. The focusing behavior of initially convergent beams is particularly interesting for powers near the critical power. © 1970.
K.H. Michel, E. Courtens
Physical Review B
T. Woignier, J. Pelous, et al.
Journal of Non-Crystalline Solids
T. Woignier, J. Phalippou, et al.
Journal of Non-Crystalline Solids
R.A. Cowley, T. Ryan, et al.
Zeitschrift für Physik B Condensed Matter