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Beam Profiling a Laser Welding Station

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Beam Profiling a Laser Welding Station

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Nd:YAG Laser 1064 nm 300 mJ per pulse 1.5 ms pulse duration Dual pulse laser weld process, 0.2 secs separating each pulse Beam size nominally 150-200 microns (2nd moment) at Focus Beam focus approximately 45 mm from laser focusing lens. BeamGage Professional SP620U Camera LBS-300-NIR with -50 mm focal length lens on the input Results The profiling assembly was positioned at the approximate location of the vertical beam with the LBS-300 sliders set to maximum attenuation. Once faint ghost images of the profile were found, the beam attenuation was reduced to use the dynamic range of the SP620 camera.

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