| 适用于波分复用器的自聚焦棒透镜最佳长度的计算 |
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| 引用本文： | 陆逸群. 适用于波分复用器的自聚焦棒透镜最佳长度的计算[J]. 上海交通大学学报, 1986, 0(5) |
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| 作者姓名： | 陆逸群 |
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| 作者单位： | 上海交通大学光纤技术研究所 |
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| 摘 要： | 在光线微分方程的基础上,我们建立了一个极精确的波分复用器损耗计算模型.这个模型考虑了自聚焦棒的色差和器件的串扰等细节.借助于光线追迹法和单纯形加速法,我们编制了波分复用器性能优化程序.由此,我们得到了一些新的结果,还导出了一个选择最佳棒长的通用公式.与采用四分之一波节长度相比,采用最佳棒长可显著降低波分复用器的损耗.
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| 关 键 词： | 波分复用器 光纤通信 纤维光学 集成光学 光纤元件 光学模型 自聚焦棒透镜 |
The Calculation of Optimum GRIN Rod Length Used on DMW Devices |
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| Lu Yiqun. The Calculation of Optimum GRIN Rod Length Used on DMW Devices[J]. Journal of Shanghai Jiaotong University, 1986, 0(5) |
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| Authors: | Lu Yiqun |
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| Abstract: | On the basis of Eikonal equation, a fairly accurate computation model of WDM device loss has been set up considering the chromatism of GRIN rod lens, erosstalk, and other details. By means of the ray tracing method and the simplex method, a program used to optimize the characteristics of multiplexer is given. From that, some new results are obtained. A generalized formula which gives the optimum lengths of GRIN rod lens used for WDM devices has also been derived. Compared with one quarter pitch, the GRIN rod lens using optimum length can reduce the losses of WDM devices dramatically. |
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| Keywords: | wavelength division multiplexer optical fiber communication fiber optics integrated optics optical fiber devices optical models GRIN rod lens |
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