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International Workshop on Future Linear Colliders 2025

20–24 Oct 2025
ADEIT
Europe/Zurich timezone
Proceedings submission deadline extended to the 27th MARCH - check the instructions

Local Organizers

Session

Normal-conducting RF systems

22 Oct 2025, 09:00
ADEIT

ADEIT

Plaza Virgen de la Paz, 3, Ciutat Vella, 46001 Valencia https://share.google/D7sug4eBogLU1ikDq

Presentation materials

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  1. 52. High Power Arbitrary RF Pulse Shaping Tests with NG-LLRF and C3 Prototype Structure
    Chao Liu (SLAC National Accelerator Laboratory)
    22/10/2025, 09:00
    Normal-conducting RF systems
    Talk

    RF pulse modulation techniques are widely applied to shape RF pulses for various types of RF stations of particle accelerators. The amplitude and phase modulations are typically implemented with additional RF components that require drive or control electronics. For the RF system-on-chip (RFSoC) based generation LLRF (NG-LLRF) platform we developed in the last several years, the RF modulations...

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  2. 157. Quarter Cryo Module (QCM) development for C3 to demonstrate the repeating unit of the LINAC
    Galen Aymar (SLAC National Accelerator Laboratory)
    22/10/2025, 09:20
    Normal-conducting RF systems
    Talk

    An update on the design and build progress for the QCM, which comprises a liquid nitrogen cryovessel housing a copper accelerating structure and its requisite supports and alignment monitoring systems. Design progress, build progress, and initial test results will be shared.

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  3. 181. The alignment of the accelerator modules of the Cool Copper Collider $C^3$ with the Rasnik 3-point alignment system
    Harry Van Der Graaf (Nikhef National institute for subatomic physics (NL))
    22/10/2025, 09:40
    Normal-conducting RF systems
    Talk

    For $C^3$, some 3000 accelerator sub units must be positioned, within 10 um transversal, on a 6 km long straight line. In the Rasnik alignment system, light from a point-like monochromatic source falls on a zone plate, forming a Fraunhofer diffraction pattern on an image pixel sensor. The alignment of three objects can be obtained by analysing the position of the diffraction pattern on the...

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  4. 71. RF Design and Optimization of Linacs for the CLIC Main Beam Injector Complex
    Adnan Kurtulus (CERN)
    22/10/2025, 10:00
    Normal-conducting RF systems
    Talk

    The design of the CLIC main beam injector complex linacs necessitates high-gradient, traveling-wave accelerating structures engineered to withstand substantial beam-loading effects due to the elevated beam current and demanding acceleration requirements of CLIC operations. In this work, we present a comprehensive design and optimization study of 2 GHz traveling-wave structures tailored to...

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  5. 68. High-Gradient X-Band Structure Prototypes for CLIC: Lessons from a Decade of High-Power Tests
    Paz Alonso Arias (CERN)
    22/10/2025, 10:20
    Normal-conducting RF systems
    Talk

    For the last decade, the CLIC collaboration has developed and high-power tested a wide range of X-band accelerating structures. To meet the CLIC luminosity budget, these structures must satisfy stringent requirements, operating above 70 MV/m while maintaining ultra-low breakdown rates.
    We present a review of the test results, describing the conditioning strategies, test stand configurations,...

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  6. 151. COLD Cool copper Operation Linac Demonstrator and preliminary studies for a 6GeV injector Linac at ESRF.
    Alessandro D'Elia, Alessandro D'Elia (ESRF)
    22/10/2025, 11:30
    Normal-conducting RF systems
    Talk

    The ESRF mid-term plan for the upgrade of the injection complex foresees a full energy linac option. Given the space limitations of the site, compactness is a strong design constraint and high gradient technology is a potential candidate to fulfill this goal. Beam dynamics simulations have been performed for several different accelerating structures in the S-, C- and X-band frequencies to...

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  7. 130. Precision Multipole Control in RF Cavities for Advanced Beam Manipulation
    Laurence Matthew Wroe (CERN)
    22/10/2025, 11:50
    Normal-conducting RF systems
    Talk

    We introduce the Azimuthal Modulation Method (AMM), a technique for precisely sculpting the electromagnetic fields in RF cavities to enable multipole-free acceleration or bespoke transverse kicking. The AMM provides fine control over multipolar field components, allowing suppression of unwanted multipoles (such as those arising from ancillary elements like single-slot power couplers) or the...

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  8. 137. Beam dynamics based design of a heavy loaded X-band linac for neutron production
    Javier Olivares (Univ. of Valencia and CSIC (ES))
    22/10/2025, 12:10
    Normal-conducting RF systems
    Talk

    Electron linear accelerators are compact and energy-efficient drivers for moderate neutron production, making them attractive for research, medical, and industrial applications. We present a preliminary beam-dynamics design of an X-band accelerator capable of delivering an electron beam with a mean final energy of 509 MeV. The design prioritizes stable, high-intensity operation, achieving an...

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  9. 129. Update on C-band activities at LANL
    Evgenya Simakov (LANL)
    Normal-conducting RF systems
    Talk

    This talk will report on the status of commissioning of the Cathodes And Radio-frequency Interactions in Extremes (CARIE) high gradient C-band RF photoinjector test stand at Los Alamos National Laboratory. We are assembling and testing the high gradient photoinjector capable of producing electric fields at the cathodes up to 250 MV/m. The photoinjector is powered by a 50 MW, 5.712 GHz Canon...

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