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Abstract: An investigation of the output characteristics of Ti:Al_2O_3 laser pumped by the second harmornic generation from an acoustooptic Q-switched Nd : YAG laser is made. An average output power of 5 watts has been obtained when the pump power is 14.5 watts. The slope efficiency is 55.5％, and the quantum efficiency is approximately 80％.
An investigation of the output characteristics of Ti: Al 2 O 3 laser pumped by the second harmornic generation from an acoustooptic Q-switched Nd: YAG laser is made. An average output power of 5 watts has been obtained when the pump power is 14.5 watts. The slope efficiency is 55.5%, and the quantum efficiency is about 80%.