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Forward and backward cavity pressure acceleration of macroparticles
- 1.0375049 - ÚFP 2012 RIV US eng J - Journal Article
Borodziuk, S. - Chodukowski, T. - Kalinowska, Z. - Kasperczuk, A. - Pisarczyk, T. - Ullschmied, Jiří - Krouský, Eduard - Pfeifer, Miroslav - Rohlena, Karel - Skála, Jiří - Pisarczyk, P.
Forward and backward cavity pressure acceleration of macroparticles.
Applied Physics Letters. Roč. 99, č. 23 (2011), s. 1-3. ISSN 0003-6951. E-ISSN 1077-3118
R&D Projects: GA MŠMT(CZ) LC528
Institutional research plan: CEZ:AV0Z20430508; CEZ:AV0Z10100523
Keywords : Acceleration of macroparticles * Cavity pressure acceleration * Laser targets * Laser plasma * Laser ablation * PALS laser
Subject RIV: BH - Optics, Masers, Lasers
Impact factor: 3.844, year: 2011
http://scitation.aip.org/getpdf/servlet/GetPDFServlet?filetype=pdf&id=APPLAB000099000023231501000001&idtype=cvips&doi=10.1063/1.3662972&prog=normal
Experiments on laser acceleration of macroparticles conducted at the PALS facility are reported. Superfast macroparticles were obtained by using the cavity pressure acceleration method. Two different acceleration schemes were investigated: the “forward” and “backward” acceleration. For both of them the hydrodynamic efficiency of the energy transfer to the accelerated macroparticle is much higher compared to conventional ablative experiments. The highest velocity achieved for a 20-microm polystyrene foil target approaches 10^8 cm/s. In addition, application of “covered-channel” targets results in evident increase of density of the accelerated plasma.
Permanent Link: http://hdl.handle.net/11104/0207816
Number of the records: 1