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It is shown that measurements of coefficients of femtosecond laser pulse absorption or reflection by metals provide a unique possibility to determine effective frequencies of electron–electron collisions including umklapp processes.
The applicability of hydrodynamic models for the theoretical description of UV laser ablation of polymers is studied. The plume formation is considered as afirst-order like phase transition. This phase transition occurs for strongly absorbing polymers as asurface evaporation and for weakly absorbing polymers as abulk evaporation. The vapor plume is assumed to be transparent to laser radiation, and...
The coefficients of ion beam energy conversion into the plasma radiation, formed under the direct action of the ion beam onto the termonuclear target, are calculated. It is shown that a possible increase in the hydrodynamic efficiency of the target acceleration due to a more complicated target structure with a heavy layer Ca so called tamper limiting the motion outside) is almost compensated by radiative...
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