About: Shock-wave velocity of a femtosecond-laser-produced plasma

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Fluorescence measurements have been used to characterize the velocity of atoms in a femtosecond-laser-produced plasma. Nanogram amounts of a copper sample were ablated by the focused radiation (lambda = 775 nm) of an all-solid-state laser. The laser was operated at a pulse rate of 10 Hz with an energy of 200 muJ per pulse. The microplasma expanded into a defined argon atmosphere of pressures between 0.02 and 850 mbar. Atomic fluorescence was excited in the laser plume by a dye-laser pulse with the wavelength set to the line Cu I 282.4 nm. The narrowed beam of the dye-laser was directed into the plasma at different heights above the sample surface. The fluorescence radiation was raeasured with an echelle-spectrometer, equipped with an intensified-charge-coupled device as the detector. The velocity depends strongly on the pressure of the ambient atmosphere and the distance from the sample surface. The highest velocity found at an argon pressure of 0.02 mbar was 1.0 X 10(6) cm s(-1). Fluorescence measurements have been used to characterize the velocity of atoms in a femtosecond-laser-produced plasma. Nanogram amounts of a copper sample were ablated by the focused radiation (lambda = 775 nm) of an all-solid-state laser. The laser was operated at a pulse rate of 10 Hz with an energy of 200 muJ per pulse. The microplasma expanded into a defined argon atmosphere of pressures between 0.02 and 850 mbar. Atomic fluorescence was excited in the laser plume by a dye-laser pulse with the wavelength set to the line Cu I 282.4 nm. The narrowed beam of the dye-laser was directed into the plasma at different heights above the sample surface. The fluorescence radiation was raeasured with an echelle-spectrometer, equipped with an intensified-charge-coupled device as the detector. The velocity depends strongly on the pressure of the ambient atmosphere and the distance from the sample surface. The highest velocity found at an argon pressure of 0.02 mbar was 1.0 X 10(6) cm s(-1). (en)
Title	Shock-wave velocity of a femtosecond-laser-produced plasma Shock-wave velocity of a femtosecond-laser-produced plasma (en)
skos:prefLabel	Shock-wave velocity of a femtosecond-laser-produced plasma Shock-wave velocity of a femtosecond-laser-produced plasma (en)
skos:notation	RIV/00216305:26210/04:PU45694!RIV11-MSM-26210___
http://linked.open...avai/riv/aktivita	V Z
http://linked.open...avai/riv/aktivity	V, Z(MSM 262100002)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Samek, Ota
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	Vysoké učení technické v Brně / Fakulta strojního inženýrství
http://linked.open...dnocenehoVysledku	586101
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/04:PU45694
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	atomic fluorescence, femtosecond laser, laser-induced plasma (en)
http://linked.open.../riv/klicoveSlovo	laser-induced plasma femtosecond laser atomic fluorescence
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[39AC45CC5CFD]
http://linked.open...i/riv/nazevZdroje	Czechoslovak Journal of Physics
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...UplatneniVysledku	2004
http://linked.open...v/svazekPeriodika	54
http://linked.open...iv/tvurceVysledku	Samek, Ota
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20262100002
issn	0011-4626
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	26210

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