E. Courtens, C. Lartigue, et al.
Zeitschrift für Physik B Condensed Matter
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.
E. Courtens, C. Lartigue, et al.
Zeitschrift für Physik B Condensed Matter
R. Vacher, E. Courtens
IUS 1989
E. Courtens, A. Szöke
Physical Review A
F. Scheurer, R. Allenspach, et al.
Physical Review B