| 水的低频受激拉曼散射 |
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| 引用本文： | 李占龙,王一丁,周密,门志伟,孙成林,里佐威.水的低频受激拉曼散射[J].物理学报,2012,61(6):64217-064217. |
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| 作者姓名： | 李占龙 王一丁 周密 门志伟 孙成林 里佐威 |
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| 作者单位： | 1. 吉林大学超硬材料国家重点实验室, 长春 130012;2. 吉林大学电子科学与工程学院集成光电子学国家重点实验室, 长春 130012;3. 吉林大学物理学院, 长春 130012 |
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| 基金项目： | 国家自然科学基金(批准号:10974067)、 吉林省科技厅项目(批准号:20090534,20101508)和吉林大学基础科研资助项目(批准号:450060326089)资助的课题. |
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| 摘 要： | 利用532 nm的脉冲激光进行了水的受激拉曼散射研究. 水的低激发光能量下主要表现为受激Stocks和反Stocks 3426 cm-1谱线; 在能量大于140 mJ时出现低频率313 cm-1受激Stocks谱线, 同时出现后向3389和3268 cm-1 的受激Stocks谱线. 实验结果表明, 在较强的激光作用下, 水的结构表现为冰的Ⅷ相.
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| 关 键 词： | 受激拉曼散射 光与物质相互作用 冰Ⅷ相 |
| 收稿时间： | 2011-06-14 |
Stimulated Raman scattering in liquid water in a low-frequency region |
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| Li Zhan-Long,Wang Yi-Ding,Zhou Mi,Men Zhi-Wei,Sun Cheng-Lin,Li Zuo-Wei.Stimulated Raman scattering in liquid water in a low-frequency region[J].Acta Physica Sinica,2012,61(6):64217-064217. |
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| Authors: | Li Zhan-Long Wang Yi-Ding Zhou Mi Men Zhi-Wei Sun Cheng-Lin Li Zuo-Wei |
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| Institution: | 1. State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, China;2. College of Electronic Science and Engineering, Key Laboratory on Integrated Optoelectronics, Jilin University, Changchun 130012, China;3. College of Physics, Jilin University, Changchun 130012, China |
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| Abstract: | Stimulated Raman scattering is studied in liquid water using pulse laser at a wavelength of 532 nm.At a lower excitation energy, Stokes line and anti-Stokes line 3426 cm-1 can be observed in the forward Raman scattering.When excitation intensity is increased to 140 mJ,the low frequency 313 cm-1 line in the forward Raman scattering can be observed,and the 3389 cm-1 Stokes line and 3268 cm-1 Stokes line in the backward Raman scattering can also be observed.The experimental results demonstrate that the structure of water under the action of the intense excitation energy is similar to that of iceⅧ. |
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| Keywords: | stimulated Raman scattering light interaction with matter iceⅧ |
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