新型分步合成法制备的P567固态染料可调谐激光器  

Tunable solid-state dye laser with P567 doped sample made by novel stepwise synthesis technique

作　　者：任杰[1] 洪治[1] 张明[1] 

机构地区：[1]浙江大学现代光学仪器国家重点实验室,杭州310027

出　　处：《激光技术》2004年第1期52-54,共3页Laser Technology

基　　金：国家自然科学基金资助项目 (6 0 0 780 0 2 )

摘　　要：采用分步合成方法制备激光染料P5 6 7掺杂有机改性凝胶玻璃。利用调QNd∶YAG激光器倍频光(5 32nm)纵向泵浦固态染料 ,通过光栅调谐 ,得到了调谐范围超过 30nm(5 5 3nm～ 5 85nm )、最高斜效率 9.7%的线偏振激光输出。输出波长为 5 74nm时 ,脉宽为 4ns,线宽 0 .0 1 4nm。实验中还获得了 7nm(FWHM)的宽带激光输出 ,斜效率为 6 9%。在 2Hz,0 .1J/cm2 的 5 32nm激光泵浦下 ,380 0 0个脉冲后 ,输出能量降到初始输出的 5 0 %。The solid dye samples used in our experiment is made by a stepwise synthesis technique through a sol gel process.Laser dye doped in the sample is pyrromethene 567.Longitudinally pumped tunable solid state dye lasers with intra cavity grating are established with Q switched frequency doubled Nd∶YAG laser pumping source.The slope efficiency of 9.7% and tunable range over 30nm(from 553nm～585nm) has been achieved.The pulse width is 4ns and the spectrum width is 0.014nm at 574nm wavelength.The laser output broad band of 7nm(FWHM) and 69% slope efficiency are also obtained in the experiment.With 0.1J/cm 2 pump fluency and 2Hz repetition rate,the output energy decreases to 50% of initial value after 38000 shots.

关 键 词：固态染料激光器 P567 可调谐 分步合成 溶胶-凝胶 

分 类 号：TN248.1[电子电信—物理电子学]