Supercontinuum generation under filamentation driven by intense femtosecond pulses in supercritical xenon and carbon dioxideстатья
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Дата последнего поиска статьи во внешних источниках: 20 мая 2017 г.
Аннотация:It is found that supercritical fluids are a unique source of multioctave supercontinuum radiation, which is generated upon filamentation of an intense femtosecond laser pulse. If the laser pulse power significantly exceeds the critical power of self-focusing, then a supercontinuum with a width of three and a half spectral octaves (from 350 to 2000 nm) is generated in supercritical xenon. The red wing of supercontinuum generated in supercritical carbon dioxide has the form of a plateau in the range from 1400 to 1900 nm, while the blue wing of the spectrum is almost completely attenuated.