Control of the properties and diagnostics of a dense femtosecond plasma formed from modified targetsстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:It was found that modification of the physical properties of the surface layer of a target makes it possible to control, effectively and within a wide range, the characteristics of a femtosecond laser plasma (temperature, degree of ionisation, emissivity, and nonlinear-optical susceptibility) at moderate intensities of 10(15)-10(16) W cm(-2), which are optimal for promising laser-plasma femtosecond technologies. The targets used in an experimental investigation were periodic structures (gratings), ultrafine freely suspended films, and porous materials. Potential applications of such targets at intensities above 10(17) W cm(-2) were considered.