随着2.94 μm激光在医学中的应用日益广泛,控制工作激光参数提高医疗安全性能显得尤为重要,对工作的激光进行调Q是很有必要的.介绍了利用双布儒斯特角切割的LiNbO3晶体作为电光Q开关的Er:YAG调Q激光器,在工作频率5 Hz,脉冲泵浦能量92 J条件下,获得了脉宽103～110 ns,能量达到87 mJ的调Q脉冲激光输出.并分别在静态和调Q模式下对龋牙进行了窝洞制样,利用扫描电子显微镜对样本扫描,对比显示调Q激光制样的效果更好.
参考文献
| [1] | Eichler H J,et al.Er:YAG-laser at 2.94 μm Q-switched by a FTIR-shutter with silicon output coupler and polarizer[J].Optical Materials,1996,5:259-265. |
| [2] | Skorczakowski M,et al.2.94 μm Er:YAG laser Q-switched with RTP Pockels cell[C].Proceedings of the European Conference on Lasers and Electro-Optics-CLEO/Europe(Munich,Germany),2003,paper CA4-04-WEN. |
| [3] | Vodopyanov K L,et al.Generation of Q-switched Er:YAG laser pulses using evanescent wave absorption in ethanol[J].Appl.Phys.Lett.,1998,72:2211-2213. |
| [4] | Sun Wen,Jiang Zewen,Cheng Guoxiang.Solid-State Laser Engineering(固体激光工程)[M].Beijing:Science Press,2002(in Chinese). |
| [5] | Jones R C,et al.A new calculus for the treatment of optical systems[J].Journal of the Optical Society of America,1942,32:486-493. |
| [6] | JelInková H,et al.LiNbO3 Pockels cell for Q-switch of Er:YAG laser[J].Laser Phys.Lett.,2004,1(2):59-64. |
| [7] | Bao Liangbi,Ye Bin,Cheng Ping.Study of Er:YAG laser application in biomedicine[J].Applied Laser(应用激光),2000,20(6):274-276(in Chinese). |
| [8] | Bao Liangbi,Ye Bin,Yuan Zijun.Study of Er:YAG laser and its applications[J].Journal of Hefei University of Technology(合肥工业大学学报),2001,24(1):23-27(in Chinese). |
| [9] | Koranda Petr,et al.Electro-optically Q-switched Er:YAG laser and its application[C].Proc.of SPIE,2002,5777:384-389. |
| [10] | Wu Lusheng,Zhou Hai,Ding Yong.Influence of cavity length change to the Er:YAG 2.94 μm laser output properties[J].Chinese Journal of Quantum Electronics(量子电子学报),1999,16(6):490-493(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%