ELI Beamlines was an intrinsic part of the SPIE Optics & Optoelectronics conference, which took place in Prague. SPIE industry-focused sessions included a workshop for ELI prospective users, bringing together researchers, who are developing and building the ELI Beamlines facility with members of an aggregation of prospective users of proposed beamlines and end-stations. and Přeček, Martin.