Experimentally determined critical power for self-focusing of femtosecond vortex beams in air by a fluorescence measurement.
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DOI: 10.1364/oe.474355
Abstract: 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… read more here.
Keywords: power; critical power; self focusing; femtosecond vortex ... See more keywords