| 偶氮苯衍生物三阶非线性的四波混频研究 |
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| 引用本文： | 黄燕萍,王深义.偶氮苯衍生物三阶非线性的四波混频研究[J].光学学报,1998,18(10):290-1294. |
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| 作者姓名： | 黄燕萍 王深义 |
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| 作者单位： | 国家教委华东师范大学量子光学开放实验室，华东师范大学物理系，中国科学院上海光学精密机械研究所，华东师范大学量子光学联合开放实验室 |
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| 摘 要： | 用皮秒Ｎｄ：ＹＡＧ激光器的倍频光（５３２ｎｍ）对具有离域π－共轭电子云结构的偶氮苯类样品材料作简并四波混频补给，测得三阶非线性电极化率ｘ＾（３）和它们的时间响应分别为１０＾－９ｅｓｕ和２０ｐｓ，并对影响ｘ＾（３）的瞬时光栅作用和ｘ＾（３）的响应时间人了讨论。
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| 关 键 词： | 偶氮苯衍生物 三阶非线性 四波混频 有机分子 |
| 收稿时间： | 1997/7/10 |
Study on Third Order Nonlinearity of Azobezene Derivatives by Four Wave Mixing |
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| Huang Yanping,Wang Shenyi,Sun Zhenrong Ding Liangen,Wang Zugeng.Study on Third Order Nonlinearity of Azobezene Derivatives by Four Wave Mixing[J].Acta Optica Sinica,1998,18(10):290-1294. |
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| Authors: | Huang Yanping Wang Shenyi Sun Zhenrong Ding Liangen Wang Zugeng |
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| Abstract: | The 3rd order nonlinear susceptibility χ (3) and response time of the azobenzene π conjugated derivatives are measured with the four wave mixing technique and picosecond frequency doubled Nd∶YAG laser (532 nm). The measured χ (3) and response time are 10 -9 esu and 20 ps, respectively. The mechanism of transient grating effect and response time are discussed. |
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| Keywords: | azobenzene third-order nonlinearity four-wave mixing delocalized π-conjugated organic molecules response time |
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