Influence of dispersion stretching of ultrashort UV laser pulse on the critical power of self-focusing

Autor:	Ionin, A. A., Mokrousova, D. V., Piterimov, D. A., Seleznev, L. V., Sinitsyn, D. V., Sunchugasheva, E. S.
Rok vydání:	2017
Předmět:	Physics - Optics Physics - Applied Physics
Druh dokumentu:	Working Paper
DOI:	10.1088/1555-6611/aaa930
Popis:	The critical power of self-focusing in the air for ultrashort UV laser pulses stretched due to dispersion from 90 up to 730 fs was experimentally measured. It was shown that the pulse duration enhancement due to its propagation in condensed media within above mentioned time-range leads to almost linear decrease of self-focusing critical power. It was also observed that when the pulse peak power exceeds the critical one, the maximum of linear plasma distribution along the UV laser filament does not shifted in the direction opposite to the laser pulse propagation as in the case of IR laser filament, but remains at the geometrical focus. Comment: 4 pages, 2 figures
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/1707.01749 Zobrazit plný text záznamu View this record from Arxiv