| 多位相光束分束器二元光学元件的优化设计 |
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| 引用本文： | 龙品,陈柏刚,徐大雄,邬敏贤,金国藩. 多位相光束分束器二元光学元件的优化设计[J]. 北京邮电大学学报, 1993, 0(1) |
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| 作者姓名： | 龙品 陈柏刚 徐大雄 邬敏贤 金国藩 |
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| 作者单位： | 北京邮电学院应用科学技术系，北京邮电学院应用科学技术系，北京邮电学院应用科学技术系，清华大学精密仪器系，清华大学精密仪器系 |
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| 摘 要： | 本文报导了对一种新的多位相分束器二元光学元件的优化设讨.二元光学元件一个周期中的每个单元的相位值和坐标都作为优化过程中的评价函数的变量.模拟结果表明,这种新的多相位分束器与只用每个单元的相位值作为优化过程中评价函数的变量的分束器相比,具有较高的衍射效率和较低的相对误差.本文还分析了影响制作多位相分束器二元光学元件的一些因素.
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| 关 键 词： | 分束器 衍射光栅/二元光学元件 |
A Novel Multilevel Phase Kinoform Based on Binary Optics Elements for Beam Splitter |
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| Long Pin Chen Baigang Xu Daxiong. A Novel Multilevel Phase Kinoform Based on Binary Optics Elements for Beam Splitter[J]. Journal of Beijing University of Posts and Telecommunications, 1993, 0(1) |
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| Authors: | Long Pin Chen Baigang Xu Daxiong |
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| Affiliation: | Long Pin Chen Baigang Xu Daxiong (Department of Applied Science and Technology)WU Minxian Jin Guofan (Tsinghua University) |
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| Abstract: | In this paper a novel Multilevel Phase Kinoform(MPK)based on binary optics elements for beam splitter is presented.Both phase values asso- ciated with each kinoform cell and coordinates of transition points can be used as variables of merit function in optimization procedure of the MPK.The optimal algorithm is the simulated annealing algorithm.Simulation results show that this MPK has higher diffraction efficiency and lower relative error than the MPK with uniform cell size does.Some parameters that affect fabrication of MPK,such as finite resolution and aceuracy of etching depth,are analyzed. |
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| Keywords: | beam splitters diffraction gratings/binary optics elements |
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