Design and Construction of a Test Modulator at LNF

Le résumé fourni par la source

High-power modulators play a crucial role in accelerators as the DAФNE LINAC at Laboratori Nazionali di Frascati (LNF) of INFN. Their continuous operation at LNF's LINAC (over 4500 hours/year) limits opportunities for hands-on training and system upgrades. To address this, a pulsed line type modulator has been designed and is under construction to support technical training, maintenance exercises, and high-power testing of S-band waveguide components and klystrons before storage. The system is designed to operate under realistic conditions while ensuring safe interventions. It includes a pulse-forming network (PFN) optimized for flat-top stability, a high-voltage switching system, and a mechanical layout that prioritizes reliability and efficient thermal management. Beyond training, the modulator will used as a test platform for new technologies, enabling validation before deployment in operational LINAC modulators. This initiative enhances workforce expertise, supports R&D, and improves long-term reliability in high-power accelerator systems.

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