Cr^4+:YAG被动调Q连续NdYAG激光的稳定性  

Passive Q switching for CW Nd∶YAG Laser by Using Cr 4+ ∶YAG

作　　者：陈伟[1] 徐军[1] 杨香春[1] 王文耀[1] 邓佩珍[1] 干福熹[1] 

机构地区：[1]中国科学院上海光机所

出　　处：《中国激光》1998年第1期7-11,共5页Chinese Journal of Lasers

摘　　要：采用中频感应加热提拉法生长出具有可饱和吸收性质的四价铬离子掺杂钇铝石榴石晶体（Ｃｒ４＋ＹＡＧ），实现了连续ＮｄＹＡＧ激光的被动调Ｑ高重复率脉冲输出。报道了Ｃｒ４＋ＹＡＧ晶体存在一种光致附生损耗机制，并讨论了其对于调Ｑ特性的重要影响。A high quality single crystal of Cr 4+ ∶YAG, grown in our laboratory by the Czochralski method was used in the Q switching experiment successfully for a Nd∶YAG laser, which provided laser pulses of 800 ns in duration, a repetition rate of 3￣13.33 kHz and an average pulsed output power higher than 13 W. The jitter of the Q switched laser is also discussed in this paper. A possible mechanism was suggested and indicated that a more stable output of Cr 4+ ∶YAG Q switched laser would be achieved by further improving the crystal quality in the growth and post treatment processes.

关 键 词：调Q 稳定性 光致附生损耗 调Q激光器 

分 类 号：TN248.34[电子电信—物理电子学]