This article is cited in 11 papers

Experimental study of polymers femtosecond laser ablation opto-mechanical characteristics at ambient and vacuum conditions

E. Yu. Loktionov^ab, A. V. Ovchinnikov^ab, Yu. Yu. Protasov^ab, D. S. Sitnikov<sup>ab

a</sup> Bauman Moscow State Technical University
^b Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow

Abstract: Values of the momentum coupling coefficient, spectral energy thresholds for laser ablation, and efficiency of the laser radiation energy conversion into kinetic energy of a gas-plasma flow during femtosecond pulsed laser ablation of condensed (polymeric) targets under vacuum and atmospheric conditions have been determined. Methods are developed for measuring the recoil momentum in a sub-nanonewton range to within $\Delta I_M<$ 10$^{-11}$ N s and for high-precision combined pulsed laser microinterferometry of the surface of targets and radiative-erosive gas-plasma flows.

Received: 04.02.2010

 English version: Technical Physics Letters, 2010, 36:7, 588–591

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