Speaker
Description
The EuPRAXIA Doctoral Network (EuPRAXIA-DN) has delivered major advances over the past year in laser–plasma physics, beam diagnostics, and compact radiation-source concepts.
Experiments with few-cycle (~9 fs) multi-TW lasers in helium–nitrogen targets have revealed CEP-driven, sub-cycle ionization injection, producing uniformly spaced quasi-monoenergetic peaks—the first direct evidence of carrier-envelope-phase–controlled energy bunching in a plasma accelerator. Complementary studies demonstrate superradiant nonlinear Thomson scattering, showing collective enhancement of radiation from relativistic electron bunches interacting with azimuthally polarised laser pulses. Diagnostics developments include new methods to retrieve femtosecond longitudinal bunch profiles from coherent THz transition-radiation images, as well as preliminary shot-to-shot charge measurements in high-EMP environments using diamond detectors, supported by recent high-precision sCVD characterization.
This contribution will present these results in the context of the broader EuPRAXIA-DN work packages and highlight how coordinated training, secondments, EuPRAXIA Camps, and hands-on facility programs accelerate both the technological progress and talent pipeline required for compact, user-ready plasma accelerators.
Funding Agency
Work supported by the European Union´s Horizon Europe research and innovation programme under grant agreement no. 101073480 and the UKRI Guarantee Funds.
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