| Paper | Title | Page | 
    
        | TUPOPT005 | Status of the Superconducting Soft X-Ray Free-Electron Laser User Facility FLASH | 1006 | 
    
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                M. Vogt, C. Gerth, K. Honkavaara, M. Kuhlmann, J. Rönsch-Schulenburg, L. Schaper, S. Schreiber, R. Treusch, J. ZemellaDESY, Hamburg, Germany
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        |  | The XUV and soft X-ray free-electron laser FLASH at DESY is capable of operating two undulator beamlines simultaneously with up to several thousand bunches per second. It is driven by a normal conducting RF photo-cathode gun and a superconducting L-band linac. FLASH is currently undergoing a substantial refurbishment and upgrade program (FLASH2020+). The first 9-months installation shutdown started in November 2021. Here we report on the operation in 2021 and present main upgrades during the ongoing shutdown. |  | 
    
    	  | DOI • | reference for this paper 
              ※ https://doi.org/10.18429/JACoW-IPAC2022-TUPOPT005 |  | 
    
    	  | About • | Received ※ 07 June 2022 — Revised ※ 13 June 2022 — Accepted ※ 15 June 2022 — Issue date ※ 17 June 2022 | 
    
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