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    Fourteenth CW and High Average Power RF Workshop

    14–17 Sept 2026
    Stadshallen
    Europe/Zurich timezone

    Contact

    Session

    Session 8

    16 Sept 2026, 08:35
    Amfi (Stadshallen)

    Amfi

    Stadshallen

    Stortorget 9, Lund, Sweden

    Conveners

    Session 8

    • Marco Di Giacomo (CEA-GANIL)

    Presentation materials

    There are no materials yet.

    1. 4. GaN Amplifier Progress for 805 MHz Coupled Cavity Linac at LANSCE
      John Lyles
      16/09/2026, 08:35
      Solid state systems
      Oral presentation standard (25 min)

      The Los Alamos Neutron Science Center uses a room temperature coupled-cavity linac to accelerate H- ions from 100 to 800 MeV. It is powered by forty-four 1.25 MW peak 805 MHz klystrons, each capable of 150 kW of average power. A prototype solid-state amplifier (SSA) feasibility study began in 2024, as reported at 13th CWRF Workshop in Oak Ridge. We are using high voltage Gallium Nitride (GaN)...

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    2. 18. 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)
      16/09/2026, 09:00
      Solid state systems
      Oral presentation standard (25 min)

      The Institute of Modern Physics (IMP), Chinese Academy of Sciences, has recently developed a series of compact 750 MHz pulsed solid-state power amplifiers (SSPAs) with a total output power of 1.8 MW. These pulsed SSPAs with rated power ranging from 200 kW to 400 kW have been developed based on gallium nitride (GaN) 5 kW and 10 kW single transistor. This report will present the overall design...

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    3. 50. Operational Experience of Radio Frequency RF Power Stations (RFPSs) at ESS
      Dr. Rutambhara Yogi (European Spallation Source (ESS) ERIC)
      16/09/2026, 09:25
      Gridded tubes
      Oral presentation standard (25 min)

      The first section of the ESS superconducting linac is the Spoke linac. It consists of 26 superconducting Spoke cavities resonating at 352 MHz, installed in 13 cryomodules. Each Spoke cavity is powered by an RF Power Station (RFPS), with a maximum output power requirement of 400 kW. To achieve this power level, the outputs of two amplifiers based on TH595A tetrodes are combined.
      Twenty-seven...

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    4. 6. RF Power Sources for Crab Cavities in HL-LHC
      Mr Gino Cipolla (CERN)
      16/09/2026, 09:50
      Gridded tubes
      Oral presentation standard (25 min)

      The LHC Crab Cavity System is powered by dedicated 400 MHz high-voltage RF stations based on IOT amplifiers. These systems were designed to provide reliable and stable RF power while meeting the stringent availability and machine protection requirements of the LHC and future HL-LHC operation.
      The installation of the RF infrastructure in the LHC galleries required the integration of...

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