| 大芯径石英光纤中皮秒脉冲激光的自聚焦 |
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| 引用本文： | 杨劬,华一敏.大芯径石英光纤中皮秒脉冲激光的自聚焦[J].光学学报,1990,10(6):14-520. |
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| 作者姓名： | 杨劬 华一敏 |
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| 作者单位： | 上海交通大学应用物理系
(李劬，华一敏，王文珍，刘亚钢)，上海交通大学应用物理系(陈英礼) |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 本文报道了对大芯径石英光纤中皮秒脉冲激光自聚焦现象的实验研究和理论分析.文中测量了自聚焦先场的近场光强轮廓,研究了自聚焦光场的时域和频域性质,并对环形自聚焦光场的成因进行了解释.
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| 关 键 词： | 光纤 自聚焦 皮秒脉冲 激光 光场 |
| 收稿时间： | 1989/10/24 |
Self-focusing of picosecond pulses in large-core optical fibers |
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| LI QU,HUA YIMIN,WANG WENZHEN,LIU YAGANG AND CHEN YINGTI.Self-focusing of picosecond pulses in large-core optical fibers[J].Acta Optica Sinica,1990,10(6):14-520. |
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| Authors: | LI QU HUA YIMIN WANG WENZHEN LIU YAGANG AND CHEN YINGTI |
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| Abstract: | In this paper, experimental observation and theoretical analysis of self-focusing of picosecond laser pulses in large-core silica fibers are reported. The nean-field intensity distribution of self-focusing light field was measured. Temporal and spectral characteristics were recorded. A waveguide model was proposed to explain the formation of ring structure of the self-focusing light. |
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| Keywords: | silica optical liber self-focusing picosecond pulse |
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