| Large Absolute Photonic Bandgap at High Frequencies in a Two—Dimensional Photonic Crystal with a Hexagonal Structure |
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| 引用本文： | 何江平,沈林放,等.Large Absolute Photonic Bandgap at High Frequencies in a Two—Dimensional Photonic Crystal with a Hexagonal Structure[J].中国物理快报,2002,19(1):69-72. |
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| 作者姓名： | 何江平 沈林放 |
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| 作者单位： | [1]CenterforOpticalandElectromagneticResearch,StateKeyLaboratoryforModernOpticalInstrumentation,ZhejiangUniversity,Hangzhou310027 [2]CenterforOpticalandElectromagneticResearch,StateKeyLaboratoryforModernOpt |
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| 摘 要： | A new harge absolute photonic bandgap at high normalized frequencies can be obtained in a two-dimensional hexagonal structure with alumina cylinders in air by reducing the symmetry of the structure.An instructive procedure is described for finding the optimal configuration which gives the maximum absolute bandgap Δω=0.091(2πc/α).
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| 关 键 词： | 光晶体 六角结构 高频率 光带间隙 |
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