The invention relates to a highly efficient CW COlaser multifunctional synthesis installation meant for producing nanotubes by laser ablation. According to the invention, the installation comprises a reaction chamber (), a gravitational system () for the recovery of nanotubes, a system () for transferring and processing the laser beam, a vacuuming system (), a cooling system (), a multi-adjustable support assembly (), a high power laser source () and also auxiliary systems consisting of a compressed air source and a process gas source and a process control and power supply panel ().