F. Moussa, E. Courtens
Physica B: Physics of 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.
F. Moussa, E. Courtens
Physica B: Physics of Condensed Matter
T. Bischofberger, E. Courtens
Physical Review Letters
K. Yakubo, E. Courtens, et al.
Physical Review B
F. Scheurer, R. Allenspach, et al.
Physical Review B