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  • In this work we report on the generation and characterization of a focused soft X-ray laser beam with intensity and energy density that exceed the threshold for the ablation of PMMA. We demonstrate a feasibility of direct ablation of holes using a focused soft X-ray laser beam. Ablated craters in PMMA/gold-covered-PMMA samples were obtained by focusing the soft X-ray Ar8+ laser pulses generated by a 46.9 nm tabletop capillary-discharge-pumped driver with a spherical Si/Sc multilayer mirror. It was found that the focused beam is capable by one shot to ablate PMMA, even if the focus is significantly influenced by astigmatism. Analysis of the laser beam footprints by atomic force microscope shows that ablated holes have periodic surface structure (similarly as Laser-Induced Periodic Surface Structure) with period 2,8 μm and with peak-to-peak depth 5-10 nm.
  • In this work we report on the generation and characterization of a focused soft X-ray laser beam with intensity and energy density that exceed the threshold for the ablation of PMMA. We demonstrate a feasibility of direct ablation of holes using a focused soft X-ray laser beam. Ablated craters in PMMA/gold-covered-PMMA samples were obtained by focusing the soft X-ray Ar8+ laser pulses generated by a 46.9 nm tabletop capillary-discharge-pumped driver with a spherical Si/Sc multilayer mirror. It was found that the focused beam is capable by one shot to ablate PMMA, even if the focus is significantly influenced by astigmatism. Analysis of the laser beam footprints by atomic force microscope shows that ablated holes have periodic surface structure (similarly as Laser-Induced Periodic Surface Structure) with period 2,8 μm and with peak-to-peak depth 5-10 nm. (en)
Title
  • Generation and application of the soft X-ray laser beam based on capillary discharge
  • Generation and application of the soft X-ray laser beam based on capillary discharge (en)
skos:prefLabel
  • Generation and application of the soft X-ray laser beam based on capillary discharge
  • Generation and application of the soft X-ray laser beam based on capillary discharge (en)
skos:notation
  • RIV/61389021:_____/14:00429496!RIV15-AV0-61389021
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  • I
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  • 18050
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  • RIV/61389021:_____/14:00429496
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  • Soft X-ray laser; capillary discharge; laser ablation; EUV laser (en)
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  • [906B039908E8]
http://linked.open...v/mistoKonaniAkce
  • Santiago
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  • Bristol
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  • Journal of Physics: Conference Series
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  • Frolov, Oleksandr
  • Koláček, Karel
  • Prukner, Václav
  • Schmidt, Jiří
  • Shukurov, A.
  • Štraus, Jaroslav
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
issn
  • 1742-6596
number of pages
http://bibframe.org/vocab/doi
  • 10.1088/1742-6596/511/1/012035
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  • IOP Publishing
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