Abstract
The room-temperature laser-oscillation properties of lead thiogallate crystals doped with dysprosium ions without additional codoping and codoped with potassium ion for excessive charge compensation were investigated. A slope efficiency of 1% was obtained for the codoped crystal. YAP:Er laser resonant pumping of laser was compared with YAG:Nd nonresonant pumping. The maximum energy obtained was with the negligible influence of the atmosphere.
© 2009 Optical Society of America
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