| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Juodkazis, Saulius
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2024Observation of high-pressure polymorphs in bulk silicon formed at relativistic laser intensitiescitations
- 2023Si-Cr Nano-Alloys Fabricated by Direct Femtosecond Laser Writingcitations
- 2022Microparticles of High Entropy Alloys Made by Laser-Induced Forward Transfercitations
- 2021Distribution states of graphene in polymer nanocomposites : A reviewcitations
- 2018Enhancement of X-ray emission from nanocolloidal gold suspensions under double-pulse excitationcitations
- 2017Megabar pressures in the wake of ultrafast Bessel pulses
- 2015Nano-proximity direct ion beam writingcitations
- 2014Phase Transformation in Laser-Induced Micro-Explosion in Olivine (Fe,Mg)(2)SiO4citations
- 2011Observation of O-2 inside voids formed in GeO2 glass by tightly-focused fs-laser pulses
- 2011Femtosecond laser induced density changes in GeO2 and SiO2 glasses: fictive temperature effect [Invited]
- 2011Laser-induced structural changes in pure GeO2 glassescitations
- 2004Three-dimensional recording and structuring of chalcogenide glasses by femtosecond pulsescitations
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article
Enhancement of X-ray emission from nanocolloidal gold suspensions under double-pulse excitation
Abstract
<jats:p>Enhancement of X-ray emission was observed from a micro-jet of a nano-colloidal gold suspension in air under double-pulse excitation of ultrashort (40 fs) near-IR laser pulses. Temporal and spatial overlaps between the pre-pulse and the main pulse were optimized for the highest X-ray emission. The maximum X-ray intensity was obtained at a 1–7 ns delay of the main pulse irradiation after the pre-pulse irradiation with the micro-jet position shifted along the laser beam propagation. It was revealed that the volume around gold nanoparticles where the permittivity is near zero, ε ≈ 0, accounts for the strongest absorption, which leads to the effective enhancements of X-ray emission.</jats:p>