| Negative Refraction and Imaging in a Triangular-Lattice Metallic Photonic-Crystal Slab |
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| 作者姓名： | 孙梅 任承 任坤 冯志芳 李志远 程丙英 张道中 |
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| 作者单位： | Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080 |
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| 基金项目： | Supported by the National Key Basic Research Special Foundation of China under Grant Nos 2004CB719804 and 2001CB610402, the National Natural Science Foundation of China under Grant No 10404036, the National Center for Nanoscience and Technology of China under Grant No 2003CB7169, and the Supercomputing Center, CNIC, Chinese Academy of Sciences. |
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| 摘 要： | Imaging properties of a two-dimensional photonic crystal （PC） slab consisting of a triangular lattice of metallic cylinders immersed in a dielectric background are investigated by the finite-difference time-domain technique. With the calculated field patterns of a point source placed in the vicinity of the PC slab and the corresponding equifrequency-surface contours, we find that a high-quality image ca.n form in the opposite side of the slab in the lowest TM-polarized photonic band, and this near-field image is formed mainly by the self-collimation effect.
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| 关 键 词： | 负折射 三角晶格金属 光晶体板 成像性 |
| 收稿时间： | 2005-11-10 |
| 修稿时间： | 2005-11-10 |
Negative Refraction and Imaging in a Triangular-Lattice Metallic Photonic-Crystal Slab |
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| FENG Shuai, SUN Mei, REN Cheng, REN Kun, FENG Zhi-Fang, LI Zhi-Yuan, CHENG Bing-Ying, ZHANG Dao Zhong.Negative Refraction and Imaging in a Triangular-Lattice Metallic Photonic-Crystal Slab[J].Chinese Physics Letters,2006,23(4):994-997. |
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| Authors: | FENG Shuai SUN Mei REN Cheng REN Kun FENG Zhi-Fang LI Zhi-Yuan CHENG Bing-Ying ZHANG Dao Zhong |
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