Formation of nanogratings in a transparent material with tunable ionization property by femtosecond laser irradiation - Université Jean-Monnet-Saint-Étienne Access content directly
Journal Articles Optics Express Year : 2013

Formation of nanogratings in a transparent material with tunable ionization property by femtosecond laser irradiation

Abstract

Irradiation inside some transparent materials such as fused silica can induce nanograting structures at the focal area. Here, we investigate experimentally how the nanograting formation can be influenced by tuning the ionization property of the transparent material, which is achieved by irradiation inside a porous glass immersed in water doped with NaCl at variable concentrations. Our results show that the doping of NaCl not only reduces the threshold fluence of optical breakdown, but also leads to nanograting structures with shorter periods. These effects may be attributed to the enhanced photoionization in water doped with NaCl.

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Dates and versions

ujm-00835558 , version 1 (19-06-2013)

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Fadhil A. Umran, Yang Liao, Mazin M. Elias, Koji Sugioka, Razvan Stoian, et al.. Formation of nanogratings in a transparent material with tunable ionization property by femtosecond laser irradiation. Optics Express, 2013, 21 (13), pp.15259. ⟨10.1364/OE.21.015259⟩. ⟨ujm-00835558⟩
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