H. Grimm, K. Parlinski, et al.
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.
H. Grimm, K. Parlinski, et al.
Physical Review B
E. Courtens, A. Szöke
Physics Letters A
T. Bischofberger, E. Courtens
Physical Review Letters
H. Grimm, E. Courtens, et al.
Journal of Non-Crystalline Solids