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Title: Plasma and Shock Generation by Indirect Laser Pulse Action

Abstract

In the paper the results of our experiment with flyer disks, accelerated to high velocities by the PALS iodine laser and subsequently creating craters when hitting massive targets , are presented. We have carried out experiments with the double targets consisted of a disk placed in front of a massive target part at distances of either 200 or 500 {mu}m. Both elements of the targets were made of Al. The following disk irradiation conditions were used: laser energy of 130 J, laser wavelength of 1.315 {mu}m, pulse duration of 0.4 ns, and laser spot diameter of 250 {mu}m. To measure some plasma parameters and accelerated disk velocity a three frame interferometric system was used. Efficiency of crater creation by a disk impact was determined from the crater parameters, which were obtained by means of a crater replica technique. The experimental results concern two main stages: (a) ablative plasma generation and disk acceleration and (b) disk impact and crater creation. Spatial density distributions at different moments of plasma generation and expansion are shown. Discussion of the experimental results on the basis of a 2-D theoretical model of the laser -- solid target interaction is carried out.

Authors:
; ;  [1]; ;  [2]; ; ; ; ; ; ; ; ;  [3];  [4];  [3];  [5];  [6]
  1. Institute of Plasma Physics and Laser Microfusion, 23 Hery St., 00-908 Warsaw (Poland)
  2. P.N. Lebedev Physical Institute of RAS, 53 Leninsky Ave., 119 991 Moscow (Russian Federation)
  3. PALS Research Center, AS CR, Na Slovance 3, 182 00 Prague 8 (Czech Republic)
  4. Czech Technical University in Prague, FNSPE, Brehova 7, 115 19 Prague 1 (Czech Republic)
  5. (Czech Republic)
  6. Warsaw University of Technology, ICS, 15/19 Nowowiejska St., 00-665 Warsaw (Poland)
Publication Date:
OSTI Identifier:
20797918
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 812; Journal Issue: 1; Conference: PLASMA 2005: International conference on research and applications of plasmas; 3. German-Polish conference on plasma diagnostics for fusion and applications; 5. French-Polish seminar on thermal plasma in space and laboratory, Opole-Turawa (Poland), 6-9 Sep 2005; Other Information: DOI: 10.1063/1.2168843; (c) 2006 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; ACCELERATION; CRATERS; DISTRIBUTION; EFFICIENCY; IODINE LASERS; IRRADIATION; PLASMA; PLASMA DIAGNOSTICS; PLASMA HEATING; PLASMA PRODUCTION; PULSES; REPLICA TECHNIQUES; SHOCK WAVES; WAVELENGTHS

Citation Formats

Kasperczuk, A., Borodziuk, S., Pisarczyk, T., Demchenko, N. N., Gus'kov, S. Yu., Jungwirth, K., Kralikova, B., Krousky, E., Masek, K., Pfeifer, M., Rohlena, K., Rozanov, V. B., Skala, J., Ullschmied, J., Kalal, M., Limpouch, J., Czech Technical University in Prague, FNSPE, Brehova 7, 115 19 Prague 1, and Pisarczyk, P.. Plasma and Shock Generation by Indirect Laser Pulse Action. United States: N. p., 2006. Web. doi:10.1063/1.2168843.
Kasperczuk, A., Borodziuk, S., Pisarczyk, T., Demchenko, N. N., Gus'kov, S. Yu., Jungwirth, K., Kralikova, B., Krousky, E., Masek, K., Pfeifer, M., Rohlena, K., Rozanov, V. B., Skala, J., Ullschmied, J., Kalal, M., Limpouch, J., Czech Technical University in Prague, FNSPE, Brehova 7, 115 19 Prague 1, & Pisarczyk, P.. Plasma and Shock Generation by Indirect Laser Pulse Action. United States. doi:10.1063/1.2168843.
Kasperczuk, A., Borodziuk, S., Pisarczyk, T., Demchenko, N. N., Gus'kov, S. Yu., Jungwirth, K., Kralikova, B., Krousky, E., Masek, K., Pfeifer, M., Rohlena, K., Rozanov, V. B., Skala, J., Ullschmied, J., Kalal, M., Limpouch, J., Czech Technical University in Prague, FNSPE, Brehova 7, 115 19 Prague 1, and Pisarczyk, P.. Sun . "Plasma and Shock Generation by Indirect Laser Pulse Action". United States. doi:10.1063/1.2168843.
@article{osti_20797918,
title = {Plasma and Shock Generation by Indirect Laser Pulse Action},
author = {Kasperczuk, A. and Borodziuk, S. and Pisarczyk, T. and Demchenko, N. N. and Gus'kov, S. Yu. and Jungwirth, K. and Kralikova, B. and Krousky, E. and Masek, K. and Pfeifer, M. and Rohlena, K. and Rozanov, V. B. and Skala, J. and Ullschmied, J. and Kalal, M. and Limpouch, J. and Czech Technical University in Prague, FNSPE, Brehova 7, 115 19 Prague 1 and Pisarczyk, P.},
abstractNote = {In the paper the results of our experiment with flyer disks, accelerated to high velocities by the PALS iodine laser and subsequently creating craters when hitting massive targets , are presented. We have carried out experiments with the double targets consisted of a disk placed in front of a massive target part at distances of either 200 or 500 {mu}m. Both elements of the targets were made of Al. The following disk irradiation conditions were used: laser energy of 130 J, laser wavelength of 1.315 {mu}m, pulse duration of 0.4 ns, and laser spot diameter of 250 {mu}m. To measure some plasma parameters and accelerated disk velocity a three frame interferometric system was used. Efficiency of crater creation by a disk impact was determined from the crater parameters, which were obtained by means of a crater replica technique. The experimental results concern two main stages: (a) ablative plasma generation and disk acceleration and (b) disk impact and crater creation. Spatial density distributions at different moments of plasma generation and expansion are shown. Discussion of the experimental results on the basis of a 2-D theoretical model of the laser -- solid target interaction is carried out.},
doi = {10.1063/1.2168843},
journal = {AIP Conference Proceedings},
number = 1,
volume = 812,
place = {United States},
year = {Sun Jan 15 00:00:00 EST 2006},
month = {Sun Jan 15 00:00:00 EST 2006}
}