Abstract

The gases desorbed when a tungsten target in vacuum of the order of 10−8 Torr is struck by a Q-switched laser beam are studied. The apparatus used in the experiment is described. The data presented are for water vapor, carbon monoxide, and carbon dioxide. Analysis is presented to demonstrate that the data are compatible with a model in which the laser is considered to be no more than a pulsed heat source for laser energy densities up to 50 MW/cm2.

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