若丹明6G乙醇溶液中566nm泵浦的高效可调谐激光输出

Highly efficient and tunable dye laser output in R6G ethanol solution excited by 566nm laser

报道了使用 5 66nm波长的染料激光激发高浓度的若丹明 6G(R6G)乙醇溶液得到波长在 5 72nm -610nm的可调谐染料激光输出 ,光束发散角为 5mrad ,能量转换效率达到 10 %。比较了使用Nd :YAG激光倍频光 ( 5 3 2nm)与 5 66nm染料激光激励R6G乙醇溶液的不同结果。讨论了染料激光浓度调谐机理 ,并从染料溶液的吸收谱及激发谱讨论了染料溶液抽运光波长的选择。

It is reported highly efficient and tunable dye laser with divergence angle of 5mrad and energy conversion efficiency of 10% is emitted by 566nm laser in R6G ethanol solution.The different characteristics of the dye laser emitted by 566nm laser and by 532nm laser are compared.the mechanism of concentration tuning and the method of selecting pump light source according to the absorption spectrum and fluorescence excited spectrum of dye solution are discussed.