染料激光抽运Nd:YCOB自倍频激光器

Nd:YCa4O(BO3)3(简称Nd:YCOB)是一种新型自倍频激光复合功能晶体。利用Datachrom-5000型染料激光器作为抽运源,横向抽运钕离子原子比为8%的Nd:YCOB获得了530.2 nm绿色自倍频激光输出。在样品未镀膜的情况下阈值抽运能量小于2 mJ,绿光输出能量最大为1.03 mJ,能量转换效率约为3.3%。

Abstract

Nd:YCa4O(BO3)3,known as Nd:YCOB,is a new nonlinear multifunctional crystal.By using Datachrom-5000 dye-laser as a pumping source,a Nd:YCOB(8at%) self-frequency-doubling laser from 1.06 μm to 0.53 μm has been realized.The wavelength of the frequency-doubling laser is 530.2 nm,the lowest threshold energy is 2 mJ,the hightest conversion efficiency is 3.3%,and the highest green laser energy 1.03 mJ.The laser characteristics of Nd:YCOB self-frequency crystal are discussed.

参考文献

[1] Lu Baosheng,Liu Enquan,Hou Xueyuan et al..Excited emission and self-frequency-doubling effect of NdxY1-xAl3(BO3)4 crystal.Chin.Phys.Lett.,1986,3(9):413～416

[2] Chai B H T,Ye Q,Hammons D A et al..Visible light generation by self-frequency-doubling in Nd:YCOB,in 1998 Tech.Tech.Dig.Ser.,CLEO,San Francisco,1998,6(3):325～326

[3] Aka G,Kahn-Harari,Mougel F et al..Linear and nonliearitical propeties of a new gadlinium-calcium oxborate crystal,Ca4GdO(BO3)3.J.Opt.Soc.Am.(B),1997,14(9):2238～2247

孙渝明, 侯学元, 李宇飞, 徐士华, 刘恩泉, 魏景谦, 王继扬, 龚波, 胡晓波, 刘跃岗, 蒋民华, 吕军华, 邵宗书. 染料激光抽运Nd:YCOB自倍频激光器[J]. 光学学报, 2000, 20(5): 711. 孙渝明, 侯学元, 李宇飞, 徐士华, 刘恩泉, 魏景谦, 王继扬, 龚波, 胡晓波, 刘跃岗, 蒋民华, 吕军华, 邵宗书. Dye-Laser-Pumped Nd:YCOB Self-Frequency-Doubling Laser[J]. Acta Optica Sinica, 2000, 20(5): 711.

染料激光抽运Nd:YCOB自倍频激光器

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