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TY - UNPB AU - Gonzalez-Caminal, P. AU - D'Arcy, R.T.P. ED - Kim, Changbum ED - Schaa, Volker R. W. ED - Kim, Dong-Eon ED - Lee, Jaeyu TI - Temporal Streaking of Electron Beams in Any Transverse Plane with Femtosecond Resolution J2 - Proc. of IBIC2021, Pohang, Rep. of Korea, 24-28 May 2021 CY - Pohang, Rep. of Korea T2 - International Beam Instrumentation Conference T3 - 10 LA - english AB - The PolariX TDS is a novel polarisable transverse-deflection structure operating in the x-band frequency regime, enabling temporal streaking of electron beams in any transverse plane with femtosecond resolution. With this feature it becomes possible to measure slice emittance in both x & y, tomographically reconstruct the 3D beam distribution, and record the beam’s phase space with all correlations up to 5D (x,x’,y,y’,t) ’ all using a single cavity. This functionality provides the opportunity to precisely characterise ultra-short beams at both conventional and novel facilities where beam quality and axial symmetry are essential for high-fidelity, high-gradient acceleration. The PolariX system was designed and manufactured by an international collaboration of scientists from CERN, DESY, and PSI. The prototype cavity has been installed and commissioned at the beam-driven plasma-wakefield facility FLASHForward at DESY with further cavities being installed at the FLASH2 (DESY), SwissFEL (PSI), and ARES (DESY) facilities. This presentation will introduce the collaborative foundation of the project with a focus on experimental results from commissioning with beam at FLASHForward, as well as first femtosecond-resolution measurements of plasma-accelerated beams (FLASHForward) and observations of free-electon lasing (FLASH2). PB - JACoW Publishing CP - Geneva, Switzerland ER -