E. Courtens, J. Pelous, et al.
Journal of Non-Crystalline Solids
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, J. Pelous, et al.
Journal of Non-Crystalline Solids
R. Vacher, E. Courtens, et al.
Physical Review Letters
M. Mali, J. Roos, et al.
Ferroelectrics
E. Courtens
Journal of Physics C: Solid State Physics