| 周期极化铌酸锂中光整流THz波辐射 |
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| 引用本文： | 张开春,刘盛纲. 周期极化铌酸锂中光整流THz波辐射[J]. 物理学报, 2007, 56(9): 5258-5262 |
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| 作者姓名： | 张开春 刘盛纲 |
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| 作者单位： | 电子科技大学物理电子学院THz研究中心，成都 610054 |
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| 基金项目： | 国家自然科学基金;教育部高等学校博士学科点专项科研基金 |
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| 摘 要： | 从理论上详细研究飞秒激光在周期极化铌酸锂(PPLN)晶体中由光整流效应产生的THz波辐射.着重研究THz波辐射场的频域场、时域场和频谱宽度的分布.并详细讨论辐射场脉冲持续时间、幅度、频谱宽度随晶体长度和辐射角的变化.关键词：PPLN光整流THz波
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| 关 键 词： | PPLN 光整流 THz波 |
| 文章编号： | 1000-3290/2007/56(09)/5258-05 |
| 收稿时间： | 2006-11-14 |
| 修稿时间： | 2006-11-14 |
THz wave radiation in periodically poled lithium niobate during on optical rectification |
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| Zhang Kai-Chun,Liu Sheng-Gang. THz wave radiation in periodically poled lithium niobate during on optical rectification[J]. Acta Physica Sinica, 2007, 56(9): 5258-5262 |
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| Authors: | Zhang Kai-Chun Liu Sheng-Gang |
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| Affiliation: | THz Research Center, Institute of Physical Electronics, University of Electronics Science and Technology of China, Chengdu 610054, China |
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| Abstract: | THz wave radiation in periodically poled lithium niobate (PPLN) during optical rectification induced by femtosecond pulse is studied theoretically in this paper. Attention is focused mainly on the distribution of fields in the frequency domain and time domain, and the spectrum width of THz wave radiation. The radiation field pulse duration, the amplitude and the spectrum width varying with the length of crystal and the angle of radiation are also discussed in detail. |
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| Keywords: | PPLN |
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