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新型Nd3+∶Ca4GdO(BO3)3自倍频晶体Cr4+∶YAG被动调Q激光特性研究
Passively Q-Switched Self-Frequency Doubling Nd3+∶Ca4GdO(BO3)3 Laser with Cr4+∶YAG Saturable Absorber
【摘要】 采用氙灯抽运自倍频晶体Nd3 +∶Ca4GdO(BO3 ) 3 (简称Nd∶GdCOB) ,Cr4+∶YAG被动调Q ,实现了Nd∶GdCOB晶体被动调Q激光运转 ,测量了饱和吸收体Cr4+∶YAG不同小信号透过率下绿激光单脉冲的输出能量、脉冲宽度、重复率 ,给出了描述Nd∶GdCOB晶体调Q工作原理的耦合波方程组 ,数值求解了该方程组 ,所得的理论结果与实验值相符合
【Abstract】 Nd 3+∶Ca 4GdO(BO 3) 3, known as Nd∶GdCOB, is a new self-frequency doubling laser crystal. Using Cr 4+∶YAG as passive Q-switch, the Q-switched laser running at 0.53 μm with the Nd∶GdCOB crystal is realized. The pulse width, single pulse energy and repetition rate under different small-signal transmission of Cr 4+∶YAG and different pump conditions are measured and the numerical solutions of the coupling wave rate equations agree with the experimental results.
【关键词】 Nd∶GdCOB晶体;
Cr4+∶YAG被动调Q;
数值解;
【Key words】 Nd∶GdCOB crysal; passive Q-switch; numerical solution;
【Key words】 Nd∶GdCOB crysal; passive Q-switch; numerical solution;
【基金】 高等学校重点实验室访问学者基金;教育部博士点基金;山东省自然科学基金资助课题
- 【文献出处】 光学学报 ,Acta Optica Sinica , 编辑部邮箱 ,2002年01期
- 【分类号】TN248.1
- 【被引频次】6
- 【下载频次】103