About: Ion acceleration by femtosecond laser pulses in small multispecies targets

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Ion acceleration by ultrashort intense femtosecond laser pulses (4x1019 W~cm2, 30 fs) in small targets of uniform chemical composition of two ion species (protons and carbon C4+ ions) is studied theoretically via a particle-in-cell code with two spatial and three velocity components. Energy spectra of accelerated ions, the number and divergence of fast protons, are compared for various target shapes _cylinder, flat foil, curved foil_ and density profiles. Dips and peaks are observed in proton energy spectra due to mutual interaction between two ion species. The simulations demonstrate that maximum energy of fast protons depends on the efficiency of laser absorption and the cross section of the hot electron cloud behind the target. A rear-side plasma density ramp can substantially decrease the energy of fast ions and simultaneously enhance their number. These results are compared with analytical estimates and with previously published experiments Ion acceleration by ultrashort intense femtosecond laser pulses (4x1019 W~cm2, 30 fs) in small targets of uniform chemical composition of two ion species (protons and carbon C4+ ions) is studied theoretically via a particle-in-cell code with two spatial and three velocity components. Energy spectra of accelerated ions, the number and divergence of fast protons, are compared for various target shapes _cylinder, flat foil, curved foil_ and density profiles. Dips and peaks are observed in proton energy spectra due to mutual interaction between two ion species. The simulations demonstrate that maximum energy of fast protons depends on the efficiency of laser absorption and the cross section of the hot electron cloud behind the target. A rear-side plasma density ramp can substantially decrease the energy of fast ions and simultaneously enhance their number. These results are compared with analytical estimates and with previously published experiments (en) Urychlování iontů femtosekundovými laserovými pulsy je v malých homogenních terčích obsahujících 2 druhy iontů (protony a ionty 4.krát ionizovaného uhlíku) je studováno pomocí ě,ř-dimenzionálního PIC kódu. (cs)
Title	Ion acceleration by femtosecond laser pulses in small multispecies targets Urychlování iontů femtosekundovými laserovými pulsy v malých směsných terčích (cs) Ion acceleration by femtosecond laser pulses in small multispecies targets (en)
skos:prefLabel	Ion acceleration by femtosecond laser pulses in small multispecies targets Urychlování iontů femtosekundovými laserovými pulsy v malých směsných terčích (cs) Ion acceleration by femtosecond laser pulses in small multispecies targets (en)
skos:notation	RIV/68407700:21340/08:04146638!RIV09-MSM-21340___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA202/06/0801), P(LC528), Z(MSM6840770022)
http://linked.open...iv/cisloPeriodika	5
http://linked.open...vai/riv/dodaniDat	2009
http://linked.open...aciTvurceVysledku	Limpouch, Jiří Pšikal, Jan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta jaderná a fyzikálně inženýrská
http://linked.open...dnocenehoVysledku	373270
http://linked.open...ai/riv/idVysledku	RIV/68407700:21340/08:04146638
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	2D3V PIC code; ion acceleration by laser; multi-species targets (en)
http://linked.open.../riv/klicoveSlovo	ion acceleration by laser 2D3V PIC code multi-species targets
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[452F8E45A520]
http://linked.open...i/riv/nazevZdroje	PHYSICS OF PLASMAS
http://linked.open...in/vavai/riv/obor	BG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Centre of Laser Plasma Energy deposition, x-ray line emission and fast particle generation in laser-irradiated foam and layered targets
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	15
http://linked.open...iv/tvurceVysledku	Andreev, A. A. Limpouch, Jiří Pšikal, Jan Tikhonchuk, V. T. Brantov, A. V.
http://linked.open...ain/vavai/riv/wos	000256305200032
http://linked.open...n/vavai/riv/zamer	Laserové systémy, záření a moderní optické aplikace
issn	1070-664X
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	21340
is http://linked.open...avai/riv/vysledek of	Ion acceleration by femtosecond laser pulses in small multispecies targets Ion acceleration by femtosecond laser pulses in small multispecies targets Ion acceleration by femtosecond laser pulses in small multispecies targets Ion acceleration by femtosecond laser pulses in small multispecies targets

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