Ablation of ionic crystals induced by capillary-discharge XUV laser

Peter Pira; Tomáš Burian; Ludék Vyšín; Jaromír Chalupský; Ján Lančok; Jan Wild; Michal Střižík; Zdeněk Zelinger; Jorge J Rocca; Libor Juha

doi:10.1117/12.890406

23 May 2011 Ablation of ionic crystals induced by capillary-discharge XUV laser

Peter Pira, Tomáš Burian, Ludék Vyšín, Jaromír Chalupský, Ján Lančok, Jan Wild, Michal Střižík, Zdeněk Zelinger, Jorge J Rocca, Libor Juha

Author Affiliations +

Proceedings Volume 8077, Damage to VUV, EUV, and X-ray Optics III; 807719 (2011) https://doi.org/10.1117/12.890406
Event: SPIE Optics + Optoelectronics, 2011, Prague, Czech Republic

Abstract

Single crystals of two fluorides (LiF and CaF2) and a tungstate (PbWO4) were irradiated by nanosecond pulses of 46.9- nm radiation provided by 10-Hz capillary-discharge Ne-like Ar laser (CDL). The damage threshold was determined in LiF using the CDL beam focused by a Sc/Si multilayer-coated spherical mirror. Irradiated samples have been investigated by Nomarski (DIC - Differential Interference Contrast) microscopy and optical (WLI - white light intereferometry) profiler. After an exposure by a certain number of CDL pulses, an ablation rate can be calculated from WLI measured depth of the crater created by the XUV ablation. Potential use of XUV ablation of ionic crystals in pulsed laser deposition (PLD) of thin layers of such a particular material, which is difficult to ablate by conventional UV-Vis- NIR lasers, is discussed in this contribution.

Citation Download Citation

Peter Pira, Tomáš Burian, Ludék Vyšín, Jaromír Chalupský, Ján Lančok, Jan Wild, Michal Střižík, Zdeněk Zelinger, Jorge J Rocca, and Libor Juha "Ablation of ionic crystals induced by capillary-discharge XUV laser", Proc. SPIE 8077, Damage to VUV, EUV, and X-ray Optics III, 807719 (23 May 2011); https://doi.org/10.1117/12.890406

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