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Brief Communications

Investigation of a copper-vapor laser pumped by trains of damped sine pulses

V. A. Gerasimov^a, V. V. Gerasimov<sup>bc

a</sup> Institute of Atmospheric Optics, Siberian Branch of the Russian Academy of Science, Tomsk
^b Tomsk State University
^c Institute of Monitoring of Climatic and Ecological Systems, Siberian Branch of the Russian Academy of Science, Tomsk

Abstract: A copper-vapor laser the lasing medium of which is pumped by damped sine voltage pulses is studied experimentally. It is shown that this laser can operate at megahertz lasing pulse repetition rates. Each current pulse in a train of damped sine excitation pulses generates a lasing pulse. The time between lasing pulses is no more than 224 ns, which corresponds to a lasing pulse repetition rate of more than 4.5 MHz. According to estimates, the use of the megahertz sine voltage to excite the copper-vapor laser may raise the specific power of laser radiation by at least an order of magnitude at an efficiency of $\approx$ 15%.

Received: 20.04.2010

 English version: Technical Physics, 2011, 56:1, 147–150

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