| 基于表面等离子体激元的新型金属光栅波导的研究 |
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| 引用本文： | 张建伟,蔡祥宝,连艳杰.基于表面等离子体激元的新型金属光栅波导的研究[J].南京邮电大学学报(自然科学版),2011,31(5):104-107. |
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| 作者姓名： | 张建伟 蔡祥宝 连艳杰 |
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| 作者单位： | 南京邮电大学光电工程学院,江苏南京,210046 |
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| 摘 要： | 对基于表面等离子体激元的五层金属光栅透射现象进行了分析研究。根据仿真得出的透射和发射谱线,分析得出五层金属光栅有良好的增透效果。研究中发现在1 550 nm通信波段附近,通过改变金属光栅的周期长度,可以对反射谱进行波长调谐,实现增透波长的选择。
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| 关 键 词： | 五层光栅波导 时域有限差分法 表面等离子体激元 反射谱 |
Analysis of New Metal Grating Waveguide Based on Surface Plasmons |
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| ZHANG Jian-wei,CAI Xiang-bao,LIAN Yan-jie.Analysis of New Metal Grating Waveguide Based on Surface Plasmons[J].Journal of Nanjing University of Posts and Telecommunications,2011,31(5):104-107. |
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| Authors: | ZHANG Jian-wei CAI Xiang-bao LIAN Yan-jie |
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| Institution: | ZHANG Jian-wei,CAI Xiang-bao,LIAN Yan-jie( College of Optoelectronic Engineering,Nanjing University of Posts and Telecommunications,Nanjing 210046,China) |
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| Abstract: | In this paper,the phenomenon of five-story metal transmission gratings which based on surface plasmons were analyzed. According to the transmission and emission spectral line, five metal grating have a good antireflective effect.Study also found that in communication band near 1550nm,by changing the the metal grating period,the reflection spectrum can be tuned,to achieve antiflaction wavelength selection. |
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| Keywords: | five-waveguide grating finite-difference time-domain surface plasmon polariton reflectance spectrum |
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