| 两步离子交换玻璃光功分器的折射率分布 |
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| 引用本文： | 周自刚,刘德森.两步离子交换玻璃光功分器的折射率分布[J].光学学报,2003,23(6):94-696. |
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| 作者姓名： | 周自刚 刘德森 |
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| 作者单位： | 1. 苏州大学物理系,苏州,215006;西南师范大学物理系,重庆,400715
2. 西南师范大学物理系,重庆,400715 |
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| 基金项目： | 重庆市科学技术委员会基础应用项目资助课题。 |
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| 摘 要： | 介绍了在用两步离子交换方法制作光功分器中，在高斯分布为初始条件下采用平均法求出非线性两步离子扩散方程的折射率分布，与实验测出的折射率分布符合得很好。该法尤其对单模光功分器求其折射率更为简单和实用。
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| 关 键 词： | 两步离子交换 玻璃光功分器 非线性扩散方程 高斯分布 波导光学 |
| 收稿时间： | 2002/5/5 |
Refractive Index Profiles of Two-Step Ion-Exchange Glass Power Splitter |
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| Zhou Zigang , Liu Desen.Refractive Index Profiles of Two-Step Ion-Exchange Glass Power Splitter[J].Acta Optica Sinica,2003,23(6):94-696. |
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| Authors: | Zhou Zigang Liu Desen |
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| Institution: | Zhou Zigang 1,2 Liu Desen2 1 Department of Physics,Suzhou University,Suzhou 215006 2 Department of Physics,Southwest China Normal University,Chongqing 400715 |
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| Abstract: | An average method is applied to the nonlinear diffusion equation to obtain nonlinear analytical models for the index profiles of two-step ion-exchange splitters. In this way, the models obtained can predict the index profile after two-step exchanging from the first surface index profile (initial condition), which makes a fine curve with Gaussian function. |
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| Keywords: | guiding wave optics two-step ion-exchange glass power splitter average method nonlinear diffusion equation Gaussian function |
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