Stimulated Raman scattering properties of KDP crystal

被引:0
作者
Chai, Xiangxu [1 ,2 ]
Zhu, Qihua [2 ]
Li, Fuquan [2 ]
Xu, Xinguang [1 ]
Wang, Shenglai [1 ]
Sun, Xun [1 ]
Zhou, Hailiang [1 ,3 ]
Zhang, Fang [1 ]
机构
[1] Institute of Crystal Materials, Shandong University, Jinan
[2] Research Center of Laser Fusion, CAEP, P.O. Box 919-988, Mianyang
[3] College of Information Science and Engineering, Shandong Agricultural University, Taian
来源
Qiangjiguang Yu Lizishu/High Power Laser and Particle Beams | 2014年 / 26卷 / 09期
关键词
Gain coefficient; Potassium dihychogen phosphate crystal; Spontaneous Raman scattering; Stimulated Raman scattering;
D O I
10.11884/HPLPB201426.092008
中图分类号
学科分类号
摘要
In this paper the spontaneous Raman spectrum and stimulated Raman spectrum of potassium dihychogen phosphate (KDP) crystals were compared in detail. In the stimulated Raman spectrum three Stokes lines of the strongest vibration mode, which are 559.43 nm, 589.74 nm, 623.5 nm respectively, were observed. The Stokes lines for other vibration modes didn't appear due to the smaller stimulated Raman scattering (SRS) gain coefficient. In addition, we also compared the gain coefficients of KDP crystal grown by traditional growth method (including annealing and annealing samples) and rapid growth method (including the pyramidal and prismatic sectors samples). The results indicate that the growth method and annealing have no obvious impact on the SRS gain coefficient.
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