T. Bischofberger, E. Courtens
Physical Review Letters
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.
T. Bischofberger, E. Courtens
Physical Review Letters
R.W. Gammon, E. Courtens, et al.
Physical Review B
H. Grimm, E. Courtens, et al.
Physica B: Physics of Condensed Matter
E. Courtens, K.A. Müller
EPL