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Microjet formation and hard x-ray production from a liquid metal target irradiated by intense femtosecond laser pulses

dc.contributor.authorLAR’KIN, A.
dc.contributor.authorURYUPINA, D.
dc.contributor.authorIVANOV, K.
dc.contributor.authorSAVEL’EV, A.
dc.contributor.authorBONNET, T.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorGOBET, F.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorHANNACHI, F.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorTARISIEN, M.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorVERSTEEGEN, M.
dc.contributor.authorSPOHR, K.
dc.contributor.authorBREIL, J.
dc.contributor.authorCHIMIER, B.
dc.contributor.authorDORCHIES, F.
dc.contributor.authorFOURMENT, C.
dc.contributor.authorLEGUAY, P.-M.
dc.contributor.authorTIKHONCHUK, V. T.
dc.date.issued2014
dc.identifier.issn1089-7674
dc.description.abstractEnBy using a liquid metal as a target one may significantly enhance the yield of hard x-rays with a sequence of two intense femtosecond laser pulses. The influence of the time delay between the two pulses is studied experimentally and interpreted with numerical simulations. It was suggested that the first arbitrary weak pulse produces microjets from the target surface, while the second intense pulse provides an efficient electron heating and acceleration along the jet surface. These energetic electrons are the source of x-ray emission while striking the target surface. The microjet formation is explained based on the results given by both optical diagnostics and hydrodynamic modeling by a collision of shocks originated from two distinct zones of laser energy deposition.
dc.language.isoen
dc.publisherAIP Publishing
dc.title.enMicrojet formation and hard x-ray production from a liquid metal target irradiated by intense femtosecond laser pulses
dc.typeArticle de revue
dc.identifier.doi10.1063/1.4894099
dc.subject.halPhysique [physics]
bordeaux.journalPhysics of Plasma
bordeaux.page093103
bordeaux.volume21
bordeaux.issue9
bordeaux.peerReviewedoui
hal.identifierhal-01282241
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01282241v1
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