简介：Anewtime-resolvedshifteddualtransmissiongratingspectrometer(SDTGS)isdesignedandfabricatedinthiswork.ThisSDTGSusesanewshifteddualtransmissiongrating(SDTG)asitsdispersivecomponent,whichhastwosubtransmissiongratingswithdifferentlinedensities,of2000lines/mmand5000lines/mm.TheaxesofthetwosubtransmissiongratingsinSDTGarehorizontallyandverticallyshiftedacertaindistancetomeasureabroadrangeof0.1–5keVtime-resolvedX-rayspectra.TheSDTGhasbeencalibratedwithasoftX-raybeamofthesynchrotronradiationfacilityanditsdiffractionefficiencyisalsomeasured.ThedesignedSDTGScantakefulluseofthespaceonarecordpanelandimprovetheprecisionformeasuringspatialandtemporalspectrumsimultaneously.ItwillbeapromisingapplicationforaccuratediagnosisofthesoftX-rayspectrumininertialconfinementfusion.