E. Courtens, R.W. Gammon
Ferroelectrics
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, R.W. Gammon
Ferroelectrics
T. Woignier, J. Pelous, et al.
Journal of Non-Crystalline Solids
H.J. Brückner, E. Courtens, et al.
Zeitschrift für Physik B Condensed Matter
P. Xhonneux, E. Courtens, et al.
EPL