Keopsys by Lumibird, is the brand name for fiber lasers and fiber amplifiers designed and manufactured by LUMIBIRD.

LUMIBIRD is one of the world's leading specialists in lasers. With 50 years of experience and expertise in 3 key technologies - solid-state lasers, laser diodes and fiber lasers - the group designs, manufactures and markets high performance lasers for the industrial (manufacturing, lidar sensors), scientific (laboratories and universities), medical (ophthalmology) and defense markets. LUMIBIRD (formerly Quantel-Keopsys group) is on the Euronext Stock Exchange and employs 600 people. With development and manufacturing facilities in France and the USA, and a strong world-wide sales and service network, the group serves a global customer base.