简介：Ablationdynamicsoftungstenirradiatedwitha70fslaserpulseisinvestigatedwithX-rayinterferometryandX-rayimagingusinga13.9nmsoftX-raylaserof7pspulseduration.Theevolutionofhigh-densityablationfrontoftungsten(i.e.,W)ispresented.Theablationfrontexpandsto～120nmabovetheoriginaltargetsurfaceat160psafterfemtosecond-laserirradiationwithanexpansionspeedofapproximately750m∕s.TheseresultswillprovideimportantdataforunderstandingablationpropertiesofW,whichisacandidatematerialofthefirstwallofmagneticconfinementfusionreactors.
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