ORNLHRIBF 6GHz ECR离子源的最新结果.pdf

,.,2007RecentResultswiththe6GHzFlat—BECRIonSourceatoRNL。;1)(OakRidgeNationalLaboratory'oakRidge,TN37831—6368,usA)2(AccsysTechnologylPleasanton,cA94566,usA)AbstractExperimentalstudieswereconductedtoch盯acterizeandimprovetheperformanceofthe丑at—-charge—statesofAr(口>8),a“white’’GaussiannoisegeneratorwasemployedwithaTWTamplifiertogeneratemicrowaveradiationwithabandwidthof~—,,flat—Bcon矗guration,multi—chargedions,broadbandmicrowave,emittance1Introductionall—permanent,6GHzECRionsourceattheHolifieldRadioactiveIonBeamFacility(),oakRidgeNationalLaboratory(oRNL)wascon-(aat—B)profllesol|.Intheflat—fleldnearlyconstantoveraregionof~2cmtoformalargeECRv01umeonaxisthatinresonancewithsin-glefrequencymicrowaVeradiation。引.—parisonoftheperf