Experimentally determined critical power for self-focusing of femtosecond vortex beams in air by a fluorescence measurement

The filamentation of the femtosecond vortex beam has attracted much attention because of the unique filamentation characteristics, such as annular distribution and helical propagation, and related applications. The critical power for self-focusing of the femtosecond vortex beams is a key parameter i...

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Veröffentlicht in:	Optics express 2023-01, Vol.31 (2), p.1557-1566
Hauptverfasser:	Liang, Wei, Li, Dongwei, Chang, Junwei, Xi, Tingting, Ji, Longfei, Li, Deming, Zhang, Lanzhi, Hao, Zuoqiang
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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