Active Laser Guide Star refocusing system for EAGLE instrumentE. Hugot, F. Madec, S. Vives, E. Chardin, M. Ferrari, D. Le Mignant, J. L. Gimenez, S. Mazzanti, P. Vola and J. Cuby1st AO4ELT conference - Adaptive Optics for Extremely Large Telescopes, (2010) 04008DOI: https://doi.org/10.1051/ao4elt/201004008