| KDP晶体受激拉曼散射特性 |
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| 引用本文： | 柴向旭,朱启华,李富全,许心光,王圣来,孙洵,周海亮,张芳.KDP晶体受激拉曼散射特性[J].强激光与粒子束,2014,26(9):092008. |
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| 作者姓名： | 柴向旭 朱启华 李富全 许心光 王圣来 孙洵 周海亮 张芳 |
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| 作者单位： | 1.山东大学 晶体材料研究所, 济南 2501 00; |
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| 摘 要： | 详细比较了磷酸二氢钾(KDP)晶体的自发拉曼散射和受激拉曼散射光谱,在受激拉曼散射(SRS)中观察到了自发拉曼散射中最强的振动模的三阶Stokes光(559.43,589.74,623.50nm),由于其他振动模的受激拉曼散射增益系数较小,其SRS光谱未观察到。另外,比较了传统生长的未退火和退火后的KDP晶体及快速生长的锥区和柱区KDP晶体的受激拉曼散射增益系数,结果表明生长方法和热退火对KDP晶体的受激拉曼散射增益系数无明显影响。
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| 关 键 词： | KDP晶体 自发拉曼散射 受激拉曼散射 增益系数 |
| 收稿时间： | 2014/3/19 |
Stimulated Raman scattering properties of KDP crystal |
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| Affiliation: | 1.Institute of Crystal Materials,Shandong University,Jinan 250100,China;2.Research Center of Laser Fusion,CAEP,P.O.Box 919-988,Mianyang 621900,China;3.College of Information Science and Engineering,Shandong Agricultural University,Taian 271018,China |
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| Abstract: | 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 didnt 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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| Keywords: | potassium dihychogen phosphate crystal spontaneous Raman scattering stimulated Raman scattering gain coefficient |
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