| 连续级联喇曼光纤激光器耦合波方程的修正 |
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| 引用本文： | 杜戈果.连续级联喇曼光纤激光器耦合波方程的修正[J].光子学报,2006,35(9):1281-1284. |
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| 作者姓名： | 杜戈果 |
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| 作者单位： | 深圳大学工程技术学院,深圳市激光工程重点实验室,深圳,518060 |
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| 基金项目： | Supported by the Shenzhen Science and Technology Bureau Scheme under Grant No. 200207 and Shenzhen Nanshan District Science and Technology Scheme |
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| 摘 要： | 从最基本的耦合波方程出发，考虑光波正反向传输的情况下，推导出了一个全面的、准确的关于连续级联喇曼光纤激光器的理论模型，描述了各级Stokes光波功率沿光纤长度的变化.指出了相关一些文献中存在的不足，并且给出了多级斯托克斯光波相互作用的有效作用面积的表达式.此模型有助于喇曼光纤激光器的设计.
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| 关 键 词： | 级联喇曼激光器 受激喇曼散射 数值模型 有效作用面积 光纤激光器 |
| 收稿时间： | 2005-06-20 |
| 修稿时间： | 2005年6月20日 |
Modification of Coupled Equations for Cascaded CW Raman Fiber Lasers |
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| Du Geguo.Modification of Coupled Equations for Cascaded CW Raman Fiber Lasers[J].Acta Photonica Sinica,2006,35(9):1281-1284. |
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| Authors: | Du Geguo |
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| Institution: | Shenzhen Key Laboratory of Laser Engineering, College of Engineering and Technology, Shenzhen University, Shenzhen 518060 |
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| Abstract: | A comprehensive and accurate numerical model is presented based on basic coupled equations to describe multi-Stokes Raman lasing performances in optical fibers. Though much work has been done on this, there are insufficiencies and shortcomings more or less in the literatures after analysis of them. These insufficiencies are also pointed out in this paper. The interactions between forward and backward traveling waves together with interactions between Stokes at different orders are all taken into account in this model. Effective core area for the interaction between multi-Stokes has also been obtained. The numerical solution of the differential system will lead in a natural way to calculate Stokes powers at the output end of the fiber. The proposed model is important for the design of CW cascaded Raman fiber lasers. |
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| Keywords: | Cascaded Raman laser Stimulated Raman scattering Numerical modeling Effective core area Optical fiber laser |
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