E. Courtens, A. Szöke
Physics Letters 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.
E. Courtens, A. Szöke
Physics Letters A
H.J. Brückner, E. Courtens, et al.
Zeitschrift für Physik B Condensed Matter
R. Vacher, E. Courtens
IUS 1989
E. Courtens, R. Vacher
Zeitschrift für Physik B Condensed Matter