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    Fourteenth CW and High Average Power RF Workshop

    from Monday, 14 September 2026 (07:30) to Thursday, 17 September 2026 (19:15)
    Stadshallen (Amfi)

            : Sessions
        /     : Talks
            : Breaks
    14 Sept 2026
    		15 Sept 2026
    		16 Sept 2026
    		17 Sept 2026
    AM
    07:30
    Registration (until 08:30) (Reception desk)
    08:30
    Welcome (until 09:10)
    08:30 Welcome - Camille Ginsburg (European Spallation Source ERIC)  
    08:50 Introduction and practical information - morten jensen (European Spallation Source ERIC)  
    09:10
    Session 1 - Cristina Pasotti (Sincrotrone Triest S.C.p.A.) (until 10:00)
    09:10 Transition to 352MHz Solid State RF Power at the Advanced Photon Source - Douglas Horan (Argonne National Laboratory)  
    09:35 Status and plans for the upgrade of the PETRA IV RF system - Nils-Oliver Froehlich (DESY)  
    10:00 --- Break ---
    10:50
    Session 2 - Pei Zhang (Institute of High Energy Physics) (until 12:00)
    10:50 Design and preparation of the RF system for SPring-8-II upgrade - Dr Takahiro Inagaki (RIKEN SPring-8 Center)  
    11:10 Design and Characterization of an 80-Way TM₀₁₀ Cavity Combiner/Splitter for High-Power Solid-State RF Systems - Dr Dragos Dancila  
    11:35 First results from the solid-state power amplifiers designed to drive the 4-port RFQ of the NEWGAIN project without circulators. - Marco Di Giacomo (CEA-GANIL)  
    08:30
    Welcome (until 08:35)
    08:35
    Session 5 -Prof. Daniel Valuch (CERN) (until 10:20)
    08:35 Lots of Little Problems or One Big Problem – Our Experiences Running a Hybrid Mix of Klystron Tube Transmitters and Solid-State Transmitters at NSLS-II. - Brian Holub (Brookhaven National Laboratory)  
    09:00 High-Efficiency RF Power for FCC-ee: Development Status of the Tristron - Chiara Marrelli (CERN)  
    09:25 Operational experience and developments of the European XFEL RF System - Sebastian Goeller (DESY)  
    09:50 Generating 200 kW of CW in 1920's. The Grimeton Radio Station electromechanical transmitter - Robert Petersson (Alexander Friendship Association)  
    10:15 Group Picture  
    10:20 --- Break ---
    11:00
    Session 6 -Mr Patrick Kramer (until 12:00)
    11:00 Design of the LANSCE Klystron Modulator Test Stand - Joseph Bradley III (Los Alamos National Laboratory)  
    11:25 Report on the 400 kW SSPA development at ESS. - Bruno Lagoguez  
    11:50 High-power RF SSPA for RFQ in the RAON heavy-ion accelerator - Kyungtae Seol  
    11:55 Robustness of the 3rd Generation of High-Power Solid-State RF Amplifiers for 500 MHz - Mirco Nedos (Cryoelectra GmbH) Nico Pupeter (Cryoelectra GmbH)  
    08:30
    Welcome (until 08:35)
    08:35
    Session 8 - Marco Di Giacomo (CEA-GANIL) (until 10:15)
    08:35 GaN Amplifier Progress for 805 MHz Coupled Cavity Linac at LANSCE - John Lyles  
    09:00 Recent Progress and Future R&D Plans of GaN-based 750 MHz Compact Pulsed Solid-State Power Amplifiers at IMP - Dr Longbo Shi (Institute of Modern Physics, Chinese Academy of Sciences)  
    09:25 Operational Experience of Radio Frequency RF Power Stations (RFPSs) at ESS - Dr. Rutambhara Yogi (European Spallation Source (ESS) ERIC)  
    09:50 RF Power Sources for Crab Cavities in HL-LHC - Mr Gino Cipolla (CERN)  
    10:15 --- Break ---
    10:45
    Session 9 - Aditya Goel (Argonne National Lab) (until 12:00)
    10:45 Selected High Power RF and Particle Accelerator Capabilities at SLAC - Daniel Rowen  
    11:10 High Power RF Developments at FNAL’s PIP-II Project - Victor Grzelak (FNAL)  
    11:35 Direct Cavity Combiner for High Power Solid State RF Transmitter - Shannon Hunter (Diversified Technologies, Inc.)  
    08:30
    Welcome (until 08:35)
    08:35
    Session 12 - Bruno Lagoguez (European Spallation Source ERIC) (until 09:50)
    08:35 CEPC High efficiency RF power sources development - Prof. Zusheng Zhou (Institute of High Energy Physics(IHEP))  
    09:00 Operation of the ALBA RF systems and installation of a new active harmonic RF system - Jesús Ocampo  
    09:25 High Average Power RF Source Developments at Calabazas Creek Research - R. Lawrence Ives (Calabazas Creek Research, Inc.)  
    09:50 --- Break ---
    10:30
    Session 13 - Alireza Nassiri (until 11:25)
    10:30 Commissioning of Standardized Solid-State Power Amplifiers for Particle Accelerators - zhengrong Wu  
    10:55 Progress on the High Power RF Systems for the Electron-Ion Collider - Mark Hoffmann Wallner (Brookhaven National Laboratory)  
    11:25
    Closing (until 11:35)
    11:35 --- Lunch ---
    PM
    12:00 --- Lunch ---
    13:45
    Session 3 - morten jensen (European Spallation Source ERIC) (until 15:20)
    13:45 The ongoing R&D for the ITER ICRF antenna arc and impairment detection and localization - Simone Porporato (Politecnico di Torino)  
    14:10 Operation Status and Experience of the TPS High-Power RF System - Fu-Tsai Chung  
    14:35 Status and Operational Integration of the High Power RF Systems for the HiCANS Platform at ESS Bilbao - Pedro González  
    15:00 Megawatt-Class Multi-Staged Depressed Collector Gyrotron Pulse Modulator - Shannon Hunter (Diversified Technologies, Inc.)  
    15:05 Development of Solid-state Power Amplifier for Accelerator Based on the New Concept and Technologies in IMP - Liepeng SUN  
    15:10 Operational Experience with the Second 500 MHz Solid-State Amplifier Transmitter at NSLS-II - Roger Borger  
    15:15 Development of a 4 kW SSPA and Full-Reflection Circulator for SCL3 Superconducting Cavities - Ki taek Son (Institute for Rare Isotope Science)  
    15:20 --- Break ---
    15:50
    Session 4 - Sam Pitman (CERN) (until 17:30)
    15:50 From High Failure Rates to Improved Reliability: Operational Experience with the CERN 200 MHz Solid-State Amplifier System - Sam Pitman (CERN)  
    16:15 SSA Upgrade of the APS Storage Ring RF systems - Aditya Goel (Argonne National Lab)  
    16:40 Operational Status and LS3 Upgrades for HL-LHC Klystron-Based RF Systems - Dario Soriano Guillen  
    17:05 S-Band Solid-State Power Amplifier Driver System for AWAKE - Yasin Alekajbaf (Uppsala University)  
    19:00 --- Reception ---
    12:00 --- Committee working lunch ---
    12:00 --- Lunch ---
    13:45
    Session 7 - Chiara Marrelli (CERN) (until 14:40)
    13:45 MW-Class RF Power Sources at ESS: Present and Future - Mr Patrick Krämer (European Spallation Source ERIC)  
    14:10 Inside the ESS RF Systems: From Design to Beam. - Morten Jensen (European Spallation Source ERIC)  
    14:35 Site Visit Safety Training  
    14:40 --- Break ---
    15:05 --- Red and Green groups departure to the tram, and the rest according to plan ---
    15:45
    Site Visit (until 18:00)
    12:00 --- Lunch ---
    13:45
    Session 10 - Douglas Horan (Argonne National Laboratory) (until 15:20)
    13:45 Phase-Based Circulator Control and High Directivity Measurement Techniques for the HL-LHC Upgrade - Martin Par Ankel  
    14:10 Countermeasures for Arc Discharge in 509 MHz High-Power Circulators at SPring-8 - Takato Tomai (Japan Synchrotron Radiation Research Institute)  
    14:35 Operational and Lifetime Experience of High-Power Klystrons for Accelerator Facilities - RISA KIKUCHI (Canon Electron Tubes & Devices Co., Ltd.)  
    15:00 New High Power RF Systems at FRIB - Shen Zhao (FRIB)  
    15:05 Improving SNS RF Master Oscillator Signal Level Stability Through Environmental Controls - Chip Piller (Oak Ridge National Laboratory) Amith Hulikal Narayan (Oak Ridge National Laboratory)  
    15:10 Progress from Testing Facility for HPRF SSA System at LANSCE CCL - Javier Vega  
    15:15 8 kW Solid State Amplifier System for the Cryomodule Test Facility - Mark Wissmann (Jefferson Lab)  
    15:20 --- Break ---
    15:50
    Session 11 - Amith Hulikal Narayan (Oak Ridge National Laboratory) (until 17:05)
    15:50 Status of the HIPA Injector 2 upgrade at PSI - Markus Schneider  
    16:15 Development and high-current operation of the high-power RF system for the High Energy Photon Source - Pei Zhang (Institute of High Energy Physics)  
    16:40 Construction and applications of the 352MHz Test Stand at ESS - Agnieszka Zwozniak (European Spallation Source)  
    18:00 --- Guided Historical City Tour in Lund ---
    18:00 --- Guided tour in Kulturen Open Air Museum ---
    18:00 --- Guided tour in Skissernas Art Museum ---
    19:15 --- Social Dinner ---
    12:00 --- Departure with bus for Grimeton. Return 17.00 from Grimeton, back to Lund. Lunchbag from Stadshallen to bring at the bus ---