Speaker
Description
The emission of betatron radiation from the beam-driven plasma wakefield acceleration is under consideration at SPARC_LAB [1], as a test-bed for the study and development of a plasma-based undulator device. In the framework of the EuPRAXIA ESFRI facility [2] and EuPRAXIA@SPARC_LAB project [3], there is a deep interest in developing a compact plasma-based user facility, not only for what concerns the acceleration module, but also for what is ancillary to the delivery of FEL radiation. In this regard, great efforts have been made to miniaturize for instance diagnostic stations, detection devices and transfer lines, e.g. based on active plasma lenses [4]. However, conventional undulators are still too cumbersome and expensive to meet the requirements of compactness and sustainability. Nowadays, advanced undulator concepts arouse great interest in pushing the frontier beyond conventional, magnet-based undulators. In this regard, a promising, alternative is represented by the betatron motion of electrons in an ion-channel to emulate an undulator device. This work will present a case study at SPARC_LAB.
[1] M. Ferrario et al., Nucl. Instr. and Meth. B 309, 183–188 (2013).
[2] Assmann, R. W. et al., Eur. Phys. J. Spec. Top. 229, 3675–4284 (2020).
[3] M. Ferrario et al., Nucl. Instr. and Meth. A 909, 134–138 (2018).
[4] R. Pompili et al., Phys. Rev. Accel. Beams, 22:121302, Dec 2019.
Funding Agency
Research funded by the European Union’s Horizon Research and Innovation program under Grant Agreements No. 101079773 (EuPRAXIA) and 101188004 (PACRI), and by the CSN5 of INFN (SL_BetaTest experiment).
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