High Power Cu-Coated Optical Fiber Bundle for Multi kW Laser Power delivery High Power Optical Fiber Bundle with Cu coated silica fibers are able to summarize more than 100 diode lasers with 30W power each.The bundle output power is up to 3 KW. Metal coating of silica fibers enables to distribute heat along the fiber and serves as a radiator. Key Features Download Datasheet Applications ● Laser pumping● Laser welding● Laser cutting