Proceedings PaperBeam Delivery System For A CO2 Laser
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In order to integrate a low power (70 W) CO2 laser into a materials processing system, a device has been developed which enables the beam emerging the laser to be guided down to the workpiece, on which it is focused. The resulting system includes a mirror which is located in such a way as to deflect the beam by 90°; a means is provided for its fine adjusting in two mutually perpendicular directions. The vertical tube was designed in order to allow the alternative fitting of lenses with the most usual focal lengths in the intended range of applications. The terminal nozzle was shaped taking into account the need for either a cutting gas shroud or a means for drawing away the smoke developed during cutting.