| 利用受激布里渊散射获得皮秒激光脉冲 |
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| 引用本文： | 王超,吕志伟,何伟明. 利用受激布里渊散射获得皮秒激光脉冲[J]. 强激光与粒子束, 2003, 15(12): 1184-1186 |
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| 作者姓名： | 王超 吕志伟 何伟明 |
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| 作者单位： | 哈尔滨工业大学 光电子技术研究所,黑龙江 哈尔滨 150001 |
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| 基金项目： | 国家863计划项目资助课题，国家自然科学基金资助课题(60278033) |
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| 摘 要： | 采用两级布里渊结构压缩8ns的Nd：YAG激光，研究了基频光和倍频光的受激布里渊散射（SBS）压缩过程。实验中采用四氯化碳作为SBS介质，经第一级双池SBS压缩后，获得了1.5ns左右的Stokes 脉冲；第二级采用单池SBS压缩，分别使用基频光和倍频光作为泵浦光，获得了最短为60ps 的Stokes脉冲。实验证明，在一定条件下，利用SBS压缩脉宽可以获得比介质的声子寿命更短的脉冲。
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| 关 键 词： | 受激布里渊散射 脉冲压缩 皮秒脉冲 |
| 文章编号： | 1001-4322(2003)12-1184-03 |
| 收稿时间： | 2003-08-19 |
| 修稿时间： | 2003-08-19 |
Picosecond pulse generation by stimulated Brillouin scattering compressor |
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| wang chao,lzhi-wei,he wei-ming. Picosecond pulse generation by stimulated Brillouin scattering compressor[J]. High Power Laser and Particle Beams, 2003, 15(12): 1184-1186 |
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| Authors: | wang chao lzhi-wei he wei-ming |
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| Affiliation: | Institute of Opto Electronics, Harbin Institute of Technology, P. O. Box 309, Harbin 150001, China |
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| Abstract: | The picosecond pulse was obtained by two-stage stimulated Brillouin scattering (SBS) compressor to compress 8ns laser pulse. The experiment used CCl_4 as SBS medium. The laser pulse duratiuon was compressed to 1.5ns by the first stage compressor. In the second compress stage, the experiment investigated the compress procession using 532nm and 1 064nm as puming light separately. The shortest pulse of 60ps was obtained. The results show that the pulse duration shorter than the medium acoustic lifetime can be achieved by SBS compressor.. |
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| Keywords: | Stimulated Brillouin scattering(SBS) Pulse compression Picosecond pulse |
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