T. Woignier, 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.
T. Woignier, J. Pelous, et al.
Journal of Non-Crystalline Solids
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Zeitschrift für Physik B Condensed Matter
E. Courtens, A. Szöke
Physical Review A
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