Speaker
Description
In this talk, Euclid Techlabs, in collaboration with Jefferson Lab, Helmholtz-Zentrum Berlin (HZB), and CERN, will present recent advancements in ferroelectric material-based fast tuning systems for SRF cavities.
Currently, the most common approach to managing fast cavity frequency shifts is to over-couple the fundamental RF power, which results in significant power waste. Recent developments in ultra-low-loss ferroelectric materials have made ferroelectric-based tuning technology for SRF cavities a viable alternative. The Horizon Europe iSAS project focuses on improving accelerator efficiency and includes the integration of a ferroelectric fast reactive tuner (FE-FRT) to enhance energy conservation. Applications under this initiative include an FE-FRT for 400 MHz transient beam loading compensation in the LHC, FE-FRT systems for microphonics compensation in 1.3 GHz SRF cavities, FE-FRTs for energy recovery linac (ERL) applications, and retrofitting FE-FRTs into existing HL-LHC cryomodules*. In the U.S., FE-FRT technology is under active development for microphonics compensation in CEBAF and as a potential upgrade path for the Electron-Ion Collider (EIC), where it may serve as a dedicated hardware solution for active microphonics control in crab cavities.
Footnotes
https://isas.ijclab.in2p3.fr/
*https://indico.ijclab.in2p3.fr/event/11291/overview
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