Recent Progress on Correcting Components (useful for ELTs) at CILASJ.-C. Sinquin, J.-M. Lurçon, C. Guillemard and P. Morin1st AO4ELT conference - Adaptive Optics for Extremely Large Telescopes, (2010) 06004DOI: https://doi.org/10.1051/ao4elt/201006004