| Controlling the focusing properties of a triangular-lattice metallic photonic-crystal slab： |
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| 引用本文： | 冯帅,王义全,李志远,程丙英,张道中.Controlling the focusing properties of a triangular-lattice metallic photonic-crystal slab：[J].中国物理 B,2007,16(6):1689-1693. |
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| 作者姓名： | 冯帅 王义全 李志远 程丙英 张道中 |
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| 作者单位： | (1)Academy of Physics and Electronic Engineering, Central University for Nationalities, Beijing 100081, China; (2)Institute of Physics, Chinese Academy of Sciences, Beijing
100080, China |
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| 基金项目： | Project supported by the
National Key Basic Research Special Foundation of China (Grant
Nos 2004CB719804 and 2001CB610402), the National Natural Science
Foundation of China (Grant Nos 10404036 and 10674185). The
Support from the Supercomputing Center, CNIC, CAS is Also
Acknowledged. |
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| 摘 要： | This paper studies the focusing properties of a two-dimensional
photonic crystal (PC) slab consisting of a triangular lattice of
metallic cylinders immersed in a dielectric background. Through the
analysis of the equifrequency-surface contours and the field
patterns of a point source placed in the vicinity of the PC slab, it
finds that both the image distance and image quality can be
controlled by simply adjusting the refractive index of the
background material.
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| 关 键 词： | 三角点阵 金属板 光子晶体 聚焦性质 控制 |
| 收稿时间： | 2006-10-06 |
| 修稿时间： | 2006-10-062006-11-08 |
Controlling the focusing properties of a triangular-lattice metallic photonic-crystal slab |
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| Feng Shuai,Wang Yi-Quan,Li Zhi-Yuan,Cheng Bing-Ying and Zhang Dao-Zhong.Controlling the focusing properties of a triangular-lattice metallic photonic-crystal slab[J].Chinese Physics B,2007,16(6):1689-1693. |
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| Authors: | Feng Shuai Wang Yi-Quan Li Zhi-Yuan Cheng Bing-Ying and Zhang Dao-Zhong |
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| Institution: | Academy of Physics and Electronic Engineering, Central University for Nationalities, Beijing 100081, China; Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China |
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| Abstract: | This paper studies the focusing properties of a two-dimensional
photonic crystal (PC) slab consisting of a triangular lattice of
metallic cylinders immersed in a dielectric background. Through the
analysis of the equifrequency-surface contours and the field
patterns of a point source placed in the vicinity of the PC slab, it
finds that both the image distance and image quality can be
controlled by simply adjusting the refractive index of the
background material. |
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| Keywords: | negative refraction photonic
crystal |
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