X-ray spectroscopic diagnostics of ultrashort laser-cluster interaction at the stage of the nonadiabatic scattering of clusters

Year: 2007

Authors: Faenov A.Ya., Magunov A.I., Pikuz T.A., Skobelev I.Yu., Giulietti D., Betti S., Galimberti M., Gamucci A., Giulietti A., Gizzi LA., Labate L., Levato T., Tomassini P., Marques J.R., Bourgeois N., Dobosz-Dufrenoy S., Ceccotti T., Monot P., Reau F., Popescu H., D’Oliveira P., Martin Ph., Fukuda Y., Boldarev A.S., Gasilov S.V., Gasilov V.A.

Autors Affiliation: Russian Acad Sci, Joint Inst High Temperatures, Moscow 127412, Russia;
Russian Acad Sci, Inst Gen Phys, Moscow 117942, Russia;
Natl Res Ctr, Lab Superintense Laser Radiat, Pisa Div, I-56124 Pisa, Italy;
Univ Pisa, Fac Phys, Pisa, Italy;
Natl Inst Nucl Phys, Pisa Div, Pisa, Italy;
Natl Inst Nucl Phys, Frascati Natl Lab, Rome, Italy;
Polytech Sch, Lab Use Intense Lasers, F-91128 Palaiseau, France;
Saclay Lab, High Intens Phys Grp, F-91191 Gif Sur Yvette, France;
Japan Atom Energy Agcy, Kansai Photon Sci Inst, Kyoto 6190215, Japan;
Russian Acad Sci, Inst Math Modeling, Moscow 125047, Russia

Abstract: X-ray spectroscopic diagnostics of laser-cluster interaction at the stage of nonadiabatic scattering of clusters and formation of a spatially uniform plasma channel has been performed. The experimental investigations have been carried out on a Ti:Sa laser setup with a pulse duration of about 65 fs and an energy up to 600 mJ. It has been shown that, within 10 ps from the beginning of a laser femtosecond pulse, the laser-cluster interaction forms a uniform plasma channel with a length of 0.4 to 1 mm with the parameters N (e) 10(19) -10(20) cm(-3) and T (e) similar to 100 eV.

Journal/Review: JETP LETTERS

Volume: 86 (3)      Pages from: 178  to: 183

KeyWords: extreme-ultraviolet emission; KR clusters; plasma; pulse; generation
DOI: 10.1134/S0021364007150064

Citations: 5
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