E. Courtens
Journal of Physics C: Solid State Physics
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
Journal of Physics C: Solid State Physics
E. Courtens, J. Pelous, et al.
Journal of Non-Crystalline Solids
E. Courtens, A. Szöke
Physics Letters A
E. Courtens
Congress AMPERE 1983