Light bullets and supercontinuum spectrum during femtosecond pulse filamentation under conditions of anomalous group-velocity dispersion in fused silicaстатья
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Дата последнего поиска статьи во внешних источниках: 12 ноября 2013 г.
Аннотация:We report the results of theoretical and experimental
research on spectrum transformation and spatiotemporal distribution
of the femtosecond laser radiation intensity during filamentation
in fused silica. The formation of light bullets with a high power
density is first observed in a femtosecond laser pulse in the anomalous
group velocity dispersion regime at a wavelength of 1800 nm.
The minimum duration of the light bullet is about two oscillation
cycles of the light field.