Experimental and theoretical investigations of crater formation in an aluminium target in a PALS experiment

• Autorzy: Borodziuk S. , Doskach I. , Gus'kov S. , Jungwirth K. , Kálal M. , Kasperczuk A. , Kralikova B. , Krousky E. , Limpouch J. , Masek K. , Pfeifer M. , Pisarczyk P. , Pisarczyk T. , Rohlena K. , Rozanov V. , Skala J. , Ullschmied J.
• Języki publikacji: EN

Abstrakty

EN

Experimental and theoretical results of investigations of the iodine laser - Al solid target interactions on the PALS (Prague Asterix Laser System) facility are presented. The experimental investigations of laser interaction with massive Al targets devoted to shock wave propagation in solids and crater formation physics are presented. Experiments were performed with the use of high intensity laser pulses (1013 15 W/cm2) for two laser wavelengths (0.438 mi m and 1.315 mi m) and four laser beam radii (from 35 mi m up to 600 ěm). The crater dimensions were measured using optical microscopy and a wax-replica technique. Plasma expansion out of the target was measured via three-frame interferometry. Theoretical model of the postpulse crater formation by the shock wave propagating and decaying in solids after the end of the laser pulse is presented and applied for the explanation of the results obtained in experiments.

Słowa kluczowe

EN

laser-produced plasma; crater; absorption of laser radiation; resonance mechanism; inverse bremsstrahlung; interferometry; fast electrons

• Wydawca: Institute of Nuclear Chemistry and Technology
• Czasopismo: Nukleonika
• Rocznik: 2004
• Tom: Vol. 49, nr 1
• Strony: 7--14
• Opis fizyczny: Bibliogr. 17 poz., rys.

Twórcy

autor

Borodziuk S.

• Institute of Plasma Physics and Laser Microfusion, 23 Hery Str., 00-908 Warsaw, Poland, Tel.: [phone], Fax: [phone]

autor

Doskach I.

• P. N. Lebedev Physical Institute of RAS, 53 Leninski Ave., 119991 Moscow, Russia

autor

Gus'kov S.

• P. N. Lebedev Physical Institute of RAS, 53 Leninski Ave., 119991 Moscow, Russia

autor

Jungwirth K.

• Institute of Physics of the AS CR, 2 Na Slovance Str., 182 21 Prague 8, Czech Republic

autor

Kálal M.

• Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, 7 Brehova Str., 115 19 Prague 1, Czech Republic

autor

Kasperczuk A.

• Institute of Plasma Physics and Laser Microfusion, 23 Hery Str., 00-908 Warsaw, Poland, Tel.: [phone], Fax: [phone]

autor

Kralikova B.

• Institute of Physics of the AS CR, 2 Na Slovance Str., 182 21 Prague 8, Czech Republic

autor

Krousky E.

• Institute of Physics of the AS CR, 2 Na Slovance Str., 182 21 Prague 8, Czech Republic

autor

Limpouch J.

• Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, 7 Brehova Str., 115 19 Prague 1, Czech Republic

autor

Masek K.

• Institute of Physics of the AS CR, 2 Na Slovance Str., 182 21 Prague 8, Czech Republic

autor

Pfeifer M.

• Institute of Physics of the AS CR, 2 Na Slovance Str., 182 21 Prague 8, Czech Republic

autor

Pisarczyk P.

• Institute of Computer Science, Warsaw University of Technology, 15/19 Nowowiejska Str., 00-665 Warsaw, Poland

autor

Pisarczyk T.

• Institute of Plasma Physics and Laser Microfusion, 23 Hery Str., 00-908 Warsaw, Poland, Tel.: [phone], Fax: [phone]

autor

Rohlena K.

• Institute of Physics of the AS CR, 2 Na Slovance Str., 182 21 Prague 8, Czech Republic

autor

Rozanov V.

• P. N. Lebedev Physical Institute of RAS, 53 Leninski Ave., 119991 Moscow, Russia

autor

Skala J.

• Institute of Physics of the AS CR, 2 Na Slovance Str., 182 21 Prague 8, Czech Republic

autor

Ullschmied J.

• Institute of Plasma Physics of the AS CR, 3 Za Slovankou Str., 182 21 Prague 8, Czech Republic

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