Influence of the temperature of the active medium on the stimulated emission characteristics of an Sr–He recombination laser

Abstract

The maximum attainable average output power of an Sr–He recombination laser (λ = 430.5 nm) was ~ 14 W/m limited by overheating of the active medium. An average output power of 3.9 W at a pulse repetition frequency of 29 kHz was obtained using a water-cooled laser tube 33-cm long and 1 cm in diameter.