Fiber laser and laser material processing system

The invention discloses a fiber laser and a laser material processing system. The fiber laser includes a laser output head and a plurality of fiber laser modules, the laser output head includes a plurality of light guiding columns which are arranged in parallel in space, each light guiding column corresponds to a transmission fiber and is connected to one of the multiple fiber laser modules through the transmission fiber, and by controlling or distributing the output power of different fiber laser modules, the profile characteristics of output beams of the light guiding columns are adjusted orchanged. According to the fiber laser and the laser material processing system, through spatial arrangement of the multiple light guiding columns, the light guiding columns are connected with one ormore fiber laser modules, and the profile characteristics of the output beams are changed; and by changing the output power of the corresponding fiber laser modules, required output light spot distribution can be obtained, continuous and real-time adjustment of output light spots can be achieved, the implementation scheme is flexible and diverse, the manufacturing process is relatively simple, andthe manufacturing cost can be effectively lowered.