Abstract
Electrophysical approach to estimation of conditions for efficient pumping of active medium of lasers on selfterminating transitions of metal atoms in a gas discharge tube with electrodes in cold buffer zones is used. Existence of processes that enhance the effect of the well-known mechanism of limitation of radiation frequency and energy characteristics caused by the presence of a pre-pulse electron concentration in the discharge circuit of lasers on self-terminating transitions of metal atoms is demonstrated. The mechanism of influence of these processes on frequency and energy characteristics of lasers on self-terminating transitions of metal atoms and the technical methods of neutralization of these processes are considered. It is shown that the practical efficiency of a copper vapor laser can attain ~10% under conditions of neutralization of these processes.
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