| 用染料激光增益增强弱增益拉曼模式的受激拉曼散射的经典理论 |
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| 引用本文： | 杨睿,普小云,江楠. 用染料激光增益增强弱增益拉曼模式的受激拉曼散射的经典理论[J]. 云南大学学报(自然科学版), 2006, 28(5): 404-410 |
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| 作者姓名： | 杨睿 普小云 江楠 |
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| 作者单位： | 云南大学,物理系,云南,昆明,650091 |
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| 基金项目： | This project was financially supported by the National Natural Science Foundation of China (Grant 10564005)，the Project of Science and Technology of Yunnan University (Grant 2004Z008C) |
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| 摘 要： | 建立了用染料激光增益增强弱拉曼模式的受激拉曼散射(SRS)的经典理论,详细给出了拉曼增益gR,染料激光增益gD和总损耗α的表达式,并在其推导过程中对经典理论作了修正,最后得到了激光增益和受激拉曼增益可以共同使SRS强度的指数部分快速增长的结果,可以很好地解释观察到的实验现象,并为其提供理论依据.
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| 关 键 词： | 受激拉曼散射 弱增益拉曼模式 激光增益 波动方程 |
| 文章编号： | 0258-7971(2006)05-0404-07 |
| 修稿时间： | 2006-01-13 |
Classical theory of enhancement of stimulated Raman scattering of weak-gain Raman modes by dye lasing gain |
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| YANG Rui,PU Xiao-yun,JIANG Nan. Classical theory of enhancement of stimulated Raman scattering of weak-gain Raman modes by dye lasing gain[J]. Journal of Yunnan University(Natural Sciences), 2006, 28(5): 404-410 |
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| Authors: | YANG Rui PU Xiao-yun JIANG Nan |
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| Affiliation: | Department of Physics, Yunnan University, Kunming 650091, China |
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| Abstract: | The theory of enhancement of weak-gain Raman modes of stimulated Raman scattering (SRS) by dyelasing gain is established in this paper. With the classical theory of electromagnetic field, the Raman gain gR' dye-lasing gain gD and total loss α are calculated in detail and the expression of each quantity is also presented. In the process of giving out gD, the result of classical theory is amended. Finally, the explicit expression which indicates that the SRS intensity is exponentially increased by lasing gain is obtained. Furthermore the observed experimental phenomenon is explained well according to this theory. |
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| Keywords: | sti mulated Raman scattering weak-gain Raman mode lasing gain wave equation |
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