http://www.cnr.it/ontology/cnr/individuo/prodotto/ID305129

Spectrally Resolved Imaging of Ultrashort Laser Produced Plasma (Articolo in rivista)

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Spectrally Resolved Imaging of Ultrashort Laser Produced Plasma (Articolo in rivista) (literal)

Anno

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Alternative label

Anoop, K. K.; Ni, Xiaochang; Wang, Xuan; Bruzzese, Riccardo; Amoruso, Salvatore (2014)
Spectrally Resolved Imaging of Ultrashort Laser Produced Plasma
in IEEE transactions on plasma science
(literal)

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Anoop, K. K.; Ni, Xiaochang; Wang, Xuan; Bruzzese, Riccardo; Amoruso, Salvatore (literal)

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University of Naples Federico II; University of Naples Federico II; Tianjin Univ Technol & Educ (literal)

Titolo

Abstract

A spectrally resolved imaging technique is introduced to investigate the spatial and temporal evolution of different plasma plume components [ions, atoms and nanoparticles (NPs)] produced during ultrashort laser ablation of a pure copper target. The temporal evolution of neutral (Cu*) and ionic (Cu+) components of the atomic plasma are separately imaged by exploiting bandpass interference filters in front of a fast-gated intensified charge coupled device camera, whereas for the NPs plume, its broadband emission is imaged. The 2-D spectrally resolved images show a dominant neutral component in the atomic plasma plume emission and a faster, well-separated ionic component moving ahead of it. The more massive, slow NPs plume follows at much longer delay. (literal)

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