T. Bischofberger, E. Courtens
Physical Review A
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 A
T. Woignier, J. Pelous, et al.
Journal of Non-Crystalline Solids
E. Courtens, A. Szöke
Physics Letters A
R.W. Gammon, E. Courtens, et al.
Physical Review B