http://www.cnr.it/ontology/cnr/individuo/prodotto/ID34176
Optical Emission Spectroscopy Investigation Of An Ultrashort Laser Induced Titanium Plasma Reheated By A ns laser-Pulse (Articolo in rivista)
- Type
- Label
- Optical Emission Spectroscopy Investigation Of An Ultrashort Laser Induced Titanium Plasma Reheated By A ns laser-Pulse (Articolo in rivista) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.apsusc.2007.02.104 (literal)
- Alternative label
A. Santagata, R. Teghil, A. De Giacomo, M. DellAglio, G.P. Parisi, A. De Bonis (2007)
Optical Emission Spectroscopy Investigation Of An Ultrashort Laser Induced Titanium Plasma Reheated By A ns laser-Pulse
in Applied surface science
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- A. Santagata, R. Teghil, A. De Giacomo, M. DellAglio, G.P. Parisi, A. De Bonis (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://www.sciencedirect.com/science/article/pii/S0169433207003662 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- CNR-IMIP, Sezione di Potenza, Zona Industriale di Tito Scalo, 85050 Tito Scalo (PZ), Italy
Università degli Studi della Basilicata, Dipartimento di Chimica, Via N. Sauro 85, 85100 Potenza, Italy
Università degli Studi di Bari, Dip. Chimica, Via Orabona 4, 70126 Bari, Italy
CNR-IMIP, Sezione di Bari, Via Amendola 122/D, 70126 Bari, Italy (literal)
- Titolo
- Optical Emission Spectroscopy Investigation Of An Ultrashort Laser Induced Titanium Plasma Reheated By A ns laser-Pulse (literal)
- Abstract
- The dynamics of a titanium plasma species, induced in air by coupling a fs-ablating laser pulse with an orthogonal ns-reheating laser source placed at the fixed distance of 1.0 mm from the target surface, has been followed by temporally resolved emission spectroscopy. The temporal evolutions of plasma features such as excitation temperatures and electron densities have been evaluated by using two different laser energies of the first fs-ablating laser pulse (0.8 mJ and 3.0 mJ). Optimum inter-pulse delay times, experimentally determined, of 250 ?s and 500 ?s were used for the fs laser energy of 3.0 mJ and 0.8 mJ, respectively. By experimental inspections of the main plasma species electronic transitions so obtained, a strong enhancement was evaluated up to one and two orders of magnitude for Ti(I) and Ti(II), respectively. Independently from the fs laser energy employed, the plasma features showed the same temporal behaviour implying that the ns-reheating characteristics of this process belong to the reheating mechanism itself. The experimental results have been discussed and the excited species evolutions and elementary processes involved, as well as, the local thermodynamic equilibrium departures, have been outlined. (literal)
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