Self-focusing distance of very high power laser pulses

Gadi Fibich*, Shmuel Eisenmann, Boaz Ilan, Yossi Erlich, Moshe Fraenke, Zohar Henis, Alexander L. Gaeta, Arie Zigler

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

78 Scopus citations


We show numerically for continuous-wave beams and experimentally for femtosecond pulses propagating in air, that the collapse distance of intense laser beams in a bulk Kerr medium scales as 1/P1/2 for input powers P that are moderately above the critical power for self focusing, but that at higher powers the collapse distance scales as 1/P.

Original languageEnglish
Pages (from-to)5897-5903
Number of pages7
JournalOptics Express
Issue number15
StatePublished - 25 Jul 2005


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