| 用于激光到光纤最佳耦合的二元光学微透镜 |
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| 引用本文： | 吴小萍,汤伟中,周文. 用于激光到光纤最佳耦合的二元光学微透镜[J]. 中国激光, 1997, 24(5): 406-410 |
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| 作者姓名： | 吴小萍 汤伟中 周文 |
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| 作者单位： | 浙江大学信息与电子工程学系 |
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| 摘 要： | 采用位相平衡设计法设计了用于激光到光纤最佳耦合的二元光学微透镜，把二元光学微透镜看成是一种沿径向分布的特殊周期性位相结构，并用叠加积分法作了衍射分析，结果表明在不考虑光纤端面反射损耗的情况下，当用多模光纤接收时，设计的二元微透镜能使１００％的入射激光耦合至多模光纤，在光纤中激起的基模比例为９９．６０％；当用单模光纤接收时，设计的二元微透镜能使９９．９５％的入射激光耦合至单模光纤
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| 关 键 词： | 二元光学微透镜，耦合效率，光纤 |
| 收稿时间： | 1996-04-03 |
Binary Optical Microlenses for Coupling of Lasers to Fibers |
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| Wu Xiaoping Tang Weizhong Zhou Wen. Binary Optical Microlenses for Coupling of Lasers to Fibers[J]. Chinese Journal of Lasers, 1997, 24(5): 406-410 |
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| Authors: | Wu Xiaoping Tang Weizhong Zhou Wen |
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| Abstract: | Ideal Binary Optical Microlenses (BOML) are designed using a phase balance design method, the accumulating integral method is used to analyze the BOML′s diffractive result. Properly coated, the lenses of the new design have a theoretical coupling efficiency of 100%. 99.60% excited fundamental mode in the multi mode receiving fiber and a 99 95% coupling efficiency in the single mode receiving fiber would be expected. |
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| Keywords: | binary optical microlenses coupling efficiency fibers |
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