CELIA
Centre Lasers Intenses et Applications, University of Bordeaux, CNRS, Bordeaux, France

CLF
Central Laser Facility, Rutherford Appleton Laboratory, STFC, Oxfordshire, United Kingdom

CLL
Coimbra Laser Lab, Coimbra, Portugal

CLPU
Centro de Laseres Pulsados, Salamanca, Spain

CUSBO
Centre for Ultrafast Science and Biomedical Optics, Politecnico di Milano, Dipartimento di Fisica, Milan, Italy

DESY
Deutsches Elektronen-Synchrotron, Hamburg, Germany

FELIX
Stichting Katholieke Universiteit, Radboud University Nijmegen, Netherlands

FERMI
FERMI lightsource, Elettra-Sincrotrone Trieste S.C.p.A, Trieste, Italy

GSI
GSI Helmholtzzentrum für Schwerionenforschung Darmstadt, Germany

HIJ
Helmholtz Institute Jena, Germany

HILASE
HiLASE Centre, Dolni Břežany, Czech Republic

HZDR
Helmholtz-Zentrum Dresden Rossendorf, Germany

ICFO
The Institute of Photonic Sciences, Barcelona, Spain

INFLPR
National Institute for Laser, Plasma and Radiation Physics, Bucharest, Romania

LACUS
Lausanne Centre for Ultrafast Science, Switzerland

LENS
Laboratorio Europeo di Spettroscopie Non Lineari, Sesto Fiorentino (Florence), Italy

LIDYL
Laboratoire Interactions, Dynamiques et Lasers, Saclay Laser-Matter Interaction Center, CEA, Saclay, France

LLC
Lund Laser Centre, Lunds Universitet, Lund, Sweden

LLE
Laserlab-Europe AISBL, Brussels, Belgium

LOA
Laboratoire d’Optique Appliquée, Palaiseau, France

LP3
Laboratoire Lasers, Plasmas et Procédés Photoniques, CNRS, Marseille, France

LULI
Laboratoire pour l’Utilisation des Lasers Intenses, CNRS, Palaiseau, France

MUT-IOE
Military University of Technology, Institute of Optoelectronics, Warsaw, Poland

PALS
Prague Asterix Laser System, Institute of Plasma Physics, Prague, Czech Republic

ULF-FORTH
Institute of Electronic Structure and Laser, Ultraviolet Laser Facility, Foundation for Research and Technology-Hellas, Heraklion, Greece

VULRC
Laser Research Center, Vilnius University, Vilnius, Lithuania