Nd:CaYAlO₄晶体的二极管泵浦连续波和调Q运转

Diode-pumped continuous wave and Q-switched operation of Nd:CaYAlO₄ crystal.

作者信息

Li Dongzhen, Xu Xiaodong, Meng Junqing, Zhou Dahua, Xia Changtai, Wu Feng, Xu Jun

机构信息

Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, PR China.

出版信息

Opt Express. 2010 Aug 30;18(18):18649-54. doi: 10.1364/OE.18.018649.

DOI:10.1364/OE.18.018649

PMID:20940757

Abstract

The continuous wave (CW) and passively Q-switched performances of Nd:CaYAlO(4) crystal with both a- and c-cut were demonstrated. The CW output powers of 1.15 W and 1.26 W were obtained under the pump power of 8.96 W with slope efficiencies of 15.2% and 16.8% for a- and c-cut samples, respectively. As a result, new dual-wavelength all-solid-state lasers at 1080 nm and 1081 nm were achieved with c-cut crystal. By using Cr(4+):YAG wafer as saturable absorber, we performed Q-switching experiments. The highest average output powers and shortest pulse widths were measured to be 0.798 W, 10.6 ns and 0.537 W, 9.6 ns for a- and c-cut samples, respectively.

摘要

展示了a轴切割和c轴切割的Nd:CaYAlO(4)晶体的连续波（CW）和被动调Q性能。在8.96 W的泵浦功率下，a轴切割和c轴切割样品的连续波输出功率分别为1.15 W和1.26 W，斜率效率分别为15.2%和16.8%。结果，利用c轴切割晶体实现了波长为1080 nm和1081 nm的新型双波长全固态激光器。通过使用Cr(4+):YAG晶片作为饱和吸收体，我们进行了调Q实验。a轴切割和c轴切割样品测得的最高平均输出功率和最短脉冲宽度分别为0.798 W、10.6 ns和0.537 W、9.6 ns。