对准三能级系统进行了研究,分析了激光上、下能级不同的能级寿命以及上能级自发辐射对下能级粒子数所造成的影响,修正了Fan等提出的纵向泵浦准三能级系统的理论模型.进行了数值模拟,得出了系统参数对LD纵向泵浦的946nm Nd:YAG激光器性能的影响规律.认为在一定掺杂浓度和输出损耗情况下,存在最佳晶体长度使阈值最低,及最佳模式匹配使斜效率最高.理论得到了实验验证.
参考文献
| [1] | Fan T Y, Byer R L. Modeling and CW operation of a quasi-three-level 946 nm Nd:YAG laser [J]. IEEE J. Quant.Electron., 1987, 23(5): 605-612 |
| [2] | Risk W P. Modeling of longitudinally pumped solid-state lasers exhibiting reabsorption losses [J]. J. Opt. Soc.Am. B, 1988, 5(7): 1412-1423 |
| [3] | Lindsay L D, Ebrahimzadeh M. Efficient continuous-wave and Q-switched operation of a 946 nm Nd:YAG laser pumped by an injection-locked broad-area diode laser [J]. Appl. Opt., 1998, 37(18): 3961-3970 |
| [4] | Mead P F, Bush S P, et al. Single-mode operation of diode-pumped Nd:YAG lasers by pump-beam focusing [J].IEEE J. Quant. Electron., 1994, 30(12): 2902-2906 |
| [5] | Fan T Y, Byer R L. Diode laser-pumped solid-state lasers [J]. IEEE J. Quant. Electron., 1988, 24(6): 895-12 |
| [6] | Hanson F. Efficient operation of a room-tempetature Nd:YAG 946 nm laser pumped with multiple diode arrays[J]. Opt. Lett., 1995, 20(2): 148-150 |
| [7] | Clarkson W A, Koch R. Room-temperature diode-bar-pumped Nd:YAG laser at 946 nm [J]. Opt. Lett., 1996,21(10): 737-739 |
| [8] | Du Jianxin, Zhang Fengchuan, He Jingliang. Theoretical analysis of the operation at 946 nm of Nd:YAG longitudinally pumped with diode laser [J]. Chinese Journal of Quantum Electronics(量子电子学报),2003, 20(4): 415-418(in Chinese) |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%