000613842 001__ 613842 000613842 005__ 20250221103056.0 000613842 037__ $$aPUBDB-2024-05648 000613842 041__ $$aEnglish 000613842 1001_ $$0P:(DE-H253)PIP1011785$$aOppelt, Anne$$b0$$eCorresponding author 000613842 1112_ $$a32nd Linear Accelerator Conference$$cChicago$$d2024-08-25 - 2024-08-30$$gLINAC2024$$wUSA 000613842 245__ $$aStatus of the L-band gun development at PITZ 000613842 260__ $$c2024 000613842 3367_ $$033$$2EndNote$$aConference Paper 000613842 3367_ $$2BibTeX$$aINPROCEEDINGS 000613842 3367_ $$2DRIVER$$aconferenceObject 000613842 3367_ $$2ORCID$$aCONFERENCE_POSTER 000613842 3367_ $$2DataCite$$aOutput Types/Conference Poster 000613842 3367_ $$0PUB:(DE-HGF)24$$2PUB:(DE-HGF)$$aPoster$$bposter$$mposter$$s1726227988_4157899 000613842 502__ $$cDESY 000613842 520__ $$aGun5, the new generation of high-gradient normal conducting 1.3 GHz RF guns for linac driven free-electron lasers like FLASH and European XFEL is under development at the Photo Injector Testfacility at DESY in Zeuthen (PITZ). Its improved cell geometry and cooling concept allow for RF pulse durations of up to 1 ms at 10 Hz repetition rate, at gradients of ~60 MV/m at the cathode. Gun5 is alsoequipped with an RF probe for measurements of the RF field inside the gun.The first gun of this type, Gun5.1, is in operation at PITZ since April 2022. Gun5.2 will be commissioned at the FALCO conditioning facility at DESY in Hamburg, starting in June 2024. This gun is equipped witha balanced (symmetric) RF waveguide feed to the coaxial power coupler to prevent a coupler kick and thus improve the beam quality delivered by the electron source. Further guns are currently in themanufacturing process. In parallel, studies towards a more reliable cathode spring design are ongoing, in order to overcome observed issues during the high duty cycle operation of Gun5.1. 000613842 536__ $$0G:(DE-HGF)POF4-621$$a621 - Accelerator Research and Development (POF4-621)$$cPOF4-621$$fPOF IV$$x0 000613842 693__ $$0EXP:(DE-H253)PITZ-20150101$$5EXP:(DE-H253)PITZ-20150101$$ePhoto Injector Test Facility$$x0 000613842 7001_ $$0P:(DE-H253)PIP1086967$$aAftab, N.$$b1$$udesy 000613842 7001_ $$0P:(DE-H253)PIP1080710$$aAmirkhanyan, Z.$$b2$$udesy 000613842 7001_ $$0P:(DE-H253)PIP1019294$$aBoonpornprasert, P.$$b3$$udesy 000613842 7001_ $$0P:(DE-H253)PIP1103583$$aDmytriiev, D.$$b4$$udesy 000613842 7001_ $$0P:(DE-H253)PIP1014737$$aGood, J. 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