About: Sub-micron focusing of soft x-ray free electron laser beam

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A multilayer-coated 27-cm focal length parabola, optimized to reflect 13.5 nm wavelength at normal incidence, was used in multiple FLASH experiments and focused the beam to a sub-micron beam size. The intensity of the beam was measured indirectly from the depths of craters left by the FLASH beam on PMMA-coated substrates. Comparing simulated and experimental shapes of the craters we found the best match for a wavefront error of 0.45 nm, or λ/30. We further estimated that the FWHM of the focal spot was 350 nm and that the intensity in the focus was 1018 W/cm2. The sub-micron FLASH beam provided extreme intensity conditions essential for warm dense matter experiments. The same optic was used in multiple experiments and survived the beam. However, after the first measurements, which took place over several days, the optical surface was contaminated. This contamination reduced the mirror reflectivity, which was partially recovered by oxygen plasma cleaning. A multilayer-coated 27-cm focal length parabola, optimized to reflect 13.5 nm wavelength at normal incidence, was used in multiple FLASH experiments and focused the beam to a sub-micron beam size. The intensity of the beam was measured indirectly from the depths of craters left by the FLASH beam on PMMA-coated substrates. Comparing simulated and experimental shapes of the craters we found the best match for a wavefront error of 0.45 nm, or λ/30. We further estimated that the FWHM of the focal spot was 350 nm and that the intensity in the focus was 1018 W/cm2. The sub-micron FLASH beam provided extreme intensity conditions essential for warm dense matter experiments. The same optic was used in multiple experiments and survived the beam. However, after the first measurements, which took place over several days, the optical surface was contaminated. This contamination reduced the mirror reflectivity, which was partially recovered by oxygen plasma cleaning. (en)
Title	Sub-micron focusing of soft x-ray free electron laser beam Sub-micron focusing of soft x-ray free electron laser beam (en)
skos:prefLabel	Sub-micron focusing of soft x-ray free electron laser beam Sub-micron focusing of soft x-ray free electron laser beam (en)
skos:notation	RIV/68378271:_____/09:00336002!RIV10-MSM-68378271
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA400100701), P(KAN300100702), P(LA08024), P(LC510), P(LC528), Z(AV0Z10100523)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Chalupský, Jaromír Hájková, Věra Juha, Libor
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	344616
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/09:00336002
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	microfocuses; multilayer mirror; free electron laser beam (en)
http://linked.open.../riv/klicoveSlovo	multilayer mirror free electron laser beam microfocuses
http://linked.open...ontrolniKodProRIV	[0A2433494226]
http://linked.open...v/mistoKonaniAkce	Prague
http://linked.open...i/riv/mistoVydani	Bellingham
http://linked.open...i/riv/nazevZdroje	Damage to VUV, EUV, and X-ray Optics II
http://linked.open...in/vavai/riv/obor	BH
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	20 (xsd:int)
http://linked.open...vavai/riv/projekt	Center of nanotechnology and materials for nanoelectronics Creating and probing nanostructures with X-ray lasers Research in the Frame of the International Center for Dense Magnetized Plasmas - ICDMP Centre of Laser Plasma Metal-Fullerene and Metal-Diamond Nanocomposites: Preparation, Characterization and Modification
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Chalupský, Jaromír Hájková, Věra Juha, Libor Krzywinski, J. Gullikson, E. M. Lee, R. W. Nelson, A. J. Toleikis, S. Tschentscher, T. Bajt, S. Chapman, H. N. Hajdu, J. Aquila, A. Baker, S. L. Alameda, J. B. Graff, R. T. Meyer Ilse, J. Mirkarimi, P. Spiller, E. A. Vollmer, H.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2009-04-21 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Intense Radiation Sources and Radiation-Matter Interaction
number of pages	10 (xsd:int)
http://purl.org/ne...btex#hasPublisher	SPIE
https://schema.org/isbn	9780819476357

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