| 周期性层状结构材料中光子带隙的形成 |
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| 引用本文： | 桑芝芳,李振亚.周期性层状结构材料中光子带隙的形成[J].大学物理,2007,26(6):28-31. |
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| 作者姓名： | 桑芝芳 李振亚 |
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| 作者单位： | 苏州大学,物理科学与技术学院,江苏,苏州,215006 |
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| 摘 要： | 结合经典电磁场理论和Bloch定理,讨论了光波在周期性层状结构材料中传播的色散关系,并通过传输矩阵方法得到光波的透射谱,指出在周期性层状结构中波阻抗是形成光子带隙的本质因素.
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| 关 键 词： | 光子晶体 光子带隙 折射率 波阻抗 |
| 文章编号： | 1000-0712（2007）06-0028-04 |
| 收稿时间： | 2006-09-01 |
| 修稿时间： | 2006-09-01 |
The formation of photonic band gaps in periodic multilayer structure |
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| SANG Zhi-fang,LI Zhen-ya.The formation of photonic band gaps in periodic multilayer structure[J].College Physics,2007,26(6):28-31. |
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| Authors: | SANG Zhi-fang LI Zhen-ya |
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| Institution: | School of Physics and Telecommunication Engineering, South China Normal University,Guangzhou, 510006, China |
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| Abstract: | From the classical electromagnetic field and Bloch theories,the dispersion relation of electromagnetic wave propagating in 1D periodic structure is derived.And the transmission spectra are obtained by transfer matrix method.We also report that the wave impedance is an essential parameter,giving photonic band gaps rather than the refractive index. |
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| Keywords: | photonic crystal photonic band gap refractive index wave impedance |
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