The assembled multi-mode dual-laser system is expected to meet the following specifications': multi-mode dual-beam fiber laser system core laser beam- beam diameter 200 um, maximum laser power of 6 kW ring laser beam- beam diameter 400 um, maximum laser power of 4 kW laser wavelength - 1070 nm able to switch between output options of two different laser beam sizes - core laser beam diameter of 100 um and 200 um Laser scan head to control the laser welding process able to focus laser beams at different locations with high-quality beam shapes and desired laser power distribution ground-standing robot to hold the laser scan head has sufficient loading capacity to carry and move the laser scan head the control of location, speed, and adequate moving freedom in X, Y, and Z directions should be appropriate to welding applications Robot-laser integration hardware and control panel for internal communications between the laser and robot assembled laser system should have a non-contact safety door switch A water-to-water chiller system to cool down the laser and laser scan head
