Abstract

The Second Harmonic Generation (SHG) technique was used to study the adsorption of cesium atoms on tungsten surface. However, we have observed that the laser beam is itself responsible for the desorption of cesium atoms from the tungsten surface. In ordre to explain this desorption, we have determined the temperatures induced by a laser beam on tungsten surfaces and we have shown that they can reach several hundred, or even thousands of degrees.

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