Propagation distance-resolved characteristics of copper plasma emission induced by axicon-focused femtosecond laser filamentation in air.
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DOI: 10.1364/oe.459136
Abstract: It is well known that Bessel beams have non-diffractive characteristics, which can be generated by Gaussian beams focused by an ideal axicon. In general, the length of filament generated by Bessel beams is longer than… read more here.
Keywords: distance resolved; distance; plasma; propagation distance ... See more keywords