Self-channeling of high-peak-power femtosecond laser pulses in air Braun, A. ; Korn, G. ; Liu, X. ; Du, D. ; Squier, J. ; Mourou, G. Abstract Publication: Optics Letters Pub Date: January 1995 DOI: 10.1364/OL.20.000073 Bibcode: 1995OptL...20...73B