| 氟化氪准分子激光在氢气中受激拉曼散射阈值的实验研究 |
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| 引用本文： | 宁东,楼祺洪,向世清,董景星,魏运荣. 氟化氪准分子激光在氢气中受激拉曼散射阈值的实验研究[J]. 中国激光, 1997, 24(10): 942-946 |
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| 作者姓名： | 宁东 楼祺洪 向世清 董景星 魏运荣 |
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| 作者单位： | 中国科学院上海光机所 上海201800(宁东，楼祺洪，向世清，董景星)，中国科学院上海光机所 上海201800(魏运荣) |
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| 摘 要： | 对纳秒级准分子激光泵浦的拉曼种子源的阈值特性进行了实验研究,讨论了受激拉曼散射过程的阈值条件及定义.实验测量了脉宽为25ns的氟化氪准分子激光在不同聚焦参数和不同氢气气压下的受激拉曼散射阈值.最后,分析了聚焦参数及四波混频过程对泵浦阈值的影响.
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| 关 键 词： | 准分子激光 受激拉曼散射 阈值 |
| 收稿时间： | 1996-09-02 |
Experimental Research of the Threshold of Stimulated Raman Scattering in H_2 Pumped by KrF Excimer Laser |
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| Ning Dong Lou Qihong Xiang Shiqing Dong Jingxing Wei Yunrong. Experimental Research of the Threshold of Stimulated Raman Scattering in H_2 Pumped by KrF Excimer Laser[J]. Chinese Journal of Lasers, 1997, 24(10): 942-946 |
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| Authors: | Ning Dong Lou Qihong Xiang Shiqing Dong Jingxing Wei Yunrong |
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| Abstract: | The threshold characteristics of a Raman generator pumped by ns pulses of an excimer laser are investigated experimentally. The definition cf the threshold for stimulated Raman scattering is discussed in detail. The threshold for stimulated Ran an scattering in hydrogen pumped by the KrF excimer laser with a 25 ns pulse width is measured at different focal lengths and for different pressures of H2. At the end, the effects of focal length and four-waves-mixing on the threshold are analyzed. |
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| Keywords: | excimer laser stimulated Raman scattering threshold |
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