Conical emission of a femtosecond laser pulse focused by an axicon into a K 108 glassстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The supercontinuum conical emission of a 50-fs laser pulse focused into a K108 glass is studied experimentally and numerically. It is found that, as the pulse energy was increased from 2 to 30 mu J, the continuous picture of conical emission decomposed into speckles upon focusing with a lens and split into narrow rings upon focusing with an axicon.