Abstract
An investigation was made of the characteristics of lasing due to the self-terminating transition 6p1P1–5d1D2 of the barium atom when barium vapor was excited in a quasi-cw discharge. A train of stimulated emission pulses was generated in a longitudinal discharge, the average specific power in a train being ~150 mW/cm3. This figure exceeded the average specific laser output power from pulsed barium vapor lasers. In a hollow-cathode discharge a specific power for quasi-cw lasing of ~20 mW/cm3 was obtained. The discharge parameters needed for quasi-cw lasing were estimated.
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