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Examination of femtosecond laser matter interaction in multipulse regime for surface nanopatterning of vitreous substrates

Abstract : The paper presents our results on laser micro- and nanostructuring of sodium aluminosilicate glass for the permanent storage purposes and photonics applications. Surface structuring is realized by fs laser irradiation followed by the subsequent etching in a potassium hydroxide (10M@80 °C) for 1 to 10 minutes. As the energy deposited is lower than the damage and/or ablation threshold, the chemical etching permits to produce small craters in the laser modified region. The laser parameters dependent interaction regimes are revealed by microscopic analysis (SEM and AFM). The influence of etching time on craters formation is investigated under different incident energies, number of pulses and polarization states.
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Nadezda Varkentina, Thierry Cardinal, Fabien Moroté, Patrick Mounaix, Pascal André, et al.. Examination of femtosecond laser matter interaction in multipulse regime for surface nanopatterning of vitreous substrates. Optics Express, Optical Society of America, 2013, 21 (24), pp.29090-29100. ⟨10.1364/OE.21.029090⟩. ⟨hal-00909676⟩

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