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Handheld Laser Welders are laser machines that can create strong precise joints in various materials including different types of metals, alloys and plastic. In a handheld laser system, the laser engine typically sits in a separate unit and the laser radiation is transmitted to a handheld welding gun through an optical fiber. The handheld welding gun is often equipped with a focus finding capability allowing quick positioning of the welding gun towards the welding area. During laser welding process, the laser heats the joining areas of the pieces, and fuses them together in the cooling process. Laser welding comes with several advantages over traditional techniques which include precise control over the depth and width of the fusion area. Due to this advantage it has found many applications in automotive and aerospace industries where precise, smooth and seamless joints are necessary.