Perspectives of using (Ar-Xe) direct nuclear pumped laser at high temperatures

Possible physical reasons of overheating of Ar‐Xe direct nuclear pumped laser were investigated. The time‐dependent Ar‐Xe laser output was measured at temperatures 20, 150, 220 and 260 °C. It was shown that the true reason of temperature anomalies are the pollution of Ar‐Xe active media by water vapour which was desorbed from the walls of the laser cell at high temperature.