Study The Effect of Increase Exposure Distance to Power and Beam Diameter in CO2Laser
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Abstract
In this research, a practical determination of the power in CO2 laser at every value from the operating current had been studied. The measurement had been carried out through the calculations of the temperature produced by the laser beam, in addition, the effect of the distance between the leaser generator and the target had been measured, furthermore, increase of the spot diameter was studied at the increase of the distance between the laser device and the target surface.
Results have confirmed that the laser power was increased linearly with the operating current of the laser system, as it should be expected. On the other hand Laser spot had been found to be less sensitive to distances from the laser below (10) cm, and found to be increased (30) times at distances more than (55) cm.
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