| 钠蒸汽中的三波光差频 |
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| 引用本文： | 夏宗炬,邹英华.钠蒸汽中的三波光差频[J].物理学报,1989,38(1):24-30. |
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| 作者姓名： | 夏宗炬 邹英华 |
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| 作者单位： | 北京大学物理系 |
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| 摘 要： | 本文对各向同性介质中电四极矩跃迁共振增强的三波光差频过程进行了研究。在考虑原子电四极矩相互作用后,推导了二阶非线性极化率,并探讨了碰撞感生的二阶非线性光学过程出现的可能性。实验是在钠蒸汽中利用3s→4d电四极矩跃迁完成的。实验结果与理论预言相符合。
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| 关 键 词： | 钠蒸汽 三波光差频 |
| 收稿时间： | 1988-04-28 |
THREE-WAVE DIFFERENCE-FREQUENCY GENERATION IN SODIUM VAPOR |
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| XIA ZONG-JU and ZOU YING-HUA.THREE-WAVE DIFFERENCE-FREQUENCY GENERATION IN SODIUM VAPOR[J].Acta Physica Sinica,1989,38(1):24-30. |
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| Authors: | XIA ZONG-JU and ZOU YING-HUA |
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| Abstract: | Electric quadrupole transition enhanced tthree-wave difference-frequency generation in isotropic medium is investigated. Taking account of the contribution of electric quadrupole interaction, we derive the second-order nonlinear susceptibility. We also discuss the possibility of observation of collision induced second-order nonlinear optical processes. The experiments are performed with 3s→4d electric quadrupole transition in sodium vapor. The experimental results agree with theoretical predictions. |
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