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Experiments have shown that when a clean tungsten surface

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Experiments have shown that when a clean tungsten surface is heated by laser irradiation using a focused ruby laser, the rate of evaporation of tungsten from the surface is similar to that obtained by more conventional surface-heating methods. The following experimental data relates the observed temperature change as a function of laser amplitude. Fit a first-order polynomial to these data.

Laser Pulse amplitude: 0.7 0.9 1.1 1.2 1.5 1.7 1.9 2 2.1
Surface temperature (degrees C): 630 740 700 745 1120 1205 1510 1530 1520

Reference no: EM13610660

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