The 3rd International Conference on Extreme Light 2019 (ICEL 2019), combining the scientific conference with a subsequent prospective ELI user meeting, will be hosted by ELI Beamlines, the high-energy beam pillar of ELI, from the 21-35 October 2019 in Dolni Brezany in the Czech Republic. Main topics High-power lasers including new concepts for high-peak-power and high-average-power generation Laser-driven secondary [...]