Application of the 3-frame interferometry and the crater replica method for investigation of laser accelerated macroparticles interacting with massive targets in the Prague Asterix Laser System (PALS) experiment

• Autorzy: Borodziuk S. , Kasperczuk A. , Pisarczyk T. , Demchenko N.N. , Gus’kov S. , Rozanov V. B. , Kalal M. , Limpouch J. , Ullschmied J. , Rohlena K. , Skala J. , Kondrashov V. N. , Pisarczyk P.
• Języki publikacji: EN

Abstrakty

EN

In the present paper results from our experiments with macroparticles, accelerated at first to high speeds by the PALS iodine laser and subsequently hitting massive targets and creating craters, are presented. The main aim of these investigations concerned the influence of wavelength on the efficiency of macroparticles acceleration and creation of craters. To this end, two different harmonics of the PALS laser beam (l1 = 1.315 mm and l3 = 0.438 mm) and several types of targets (simple massive planar Al targets as well as much more elaborated double targets consisting of 6 mm thick Al foils or disks placed in front of the massive target at the distance of either 200 mm or 500 mm) were used. All these targets were irradiated by the iodine laser beam with its parameters very much the same for both harmonics: the energy of 130 J, the focal spot diameter of 250 mm, and the pulse duration of 400 ps. Velocities of accelerated extracted foil fragments or disks as well as electron density distributions of plasma streams were determined by means of the 3-frame interferometry. Shapes and volumes of craters were obtained employing the crater acetate cellulose replica technology and microscopy measurements. The data from these experiments provided valuable information concerning the ablative plasma generation and crater creation processes.

Słowa kluczowe

EN

laser-produced plasma; three-frame interferometry; optical microscopy; macroparticle; single and double targets; crater; classical inverse bremsstrahlung absorption; shock wave; efficiency of laser radiation absorption; ablation loading efficiency

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2004
• Tom: Vol. 34, nr 3
• Strony: 385--403
• Opis fizyczny: Bibliogr. 14 poz., rys., tab.

Twórcy

autor

Borodziuk S.

• Institute of Plasma Physics and Laser Microfusion, ul. Hery 23, 00-908 Warszawa, Poland

autor

Kasperczuk A.

• Institute of Plasma Physics and Laser Microfusion, ul. Hery 23, 00-908 Warszawa, Poland

autor

Pisarczyk T.

• Institute of Plasma Physics and Laser Microfusion, ul. Hery 23, 00-908 Warszawa, Poland

autor

Demchenko N.N.

• P.N. Lebedev Physical Institute of RAS, Leninskyi Ave. 53, 117 924 Moscow, Russia

autor

Gus’kov S.

• P.N. Lebedev Physical Institute of RAS, Leninskyi Ave. 53, 117 924 Moscow, Russia

autor

Rozanov V. B.

• P.N. Lebedev Physical Institute of RAS, Leninskyi Ave. 53, 117 924 Moscow, Russia

autor

Kalal M.

• Czech Technical University, FNSPE, Brehova 7, 115 19 Prague 1, Czech Republic

autor

Limpouch J.

• Czech Technical University, FNSPE, Brehova 7, 115 19 Prague 1, Czech Republic
• PALS Research Center AS CR, Za Slovankou 3, 182 21 Prague 8, Czech Republic

autor

Ullschmied J.

• Institute of Plasma Physics, AS CR, Za Slovankou 3, 182 21 Prague 8, Czech Republic
• PALS Research Center AS CR, Za Slovankou 3, 182 21 Prague 8, Czech Republic

autor

Rohlena K.

• PALS Research Center AS CR, Za Slovankou 3, 182 21 Prague 8, Czech Republic

autor

Skala J.

• PALS Research Center AS CR, Za Slovankou 3, 182 21 Prague 8, Czech Republic

autor

Kondrashov V. N.

• Troitsk Institute of Innovation and Thermonuclear Research, 142 190 Troitsk, Russia

autor

Pisarczyk P.

• Warsaw University of Technology, ICS, ul. Nowowiejska 15/19, 00-665 Warszawa, Poland

Bibliografia

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