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All angle negative refraction with the effective phase index of-1

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【Author】 Tao Geng Tingyu Liu~1 Songlin Zhuang ~1 College of Science,University of Shanghai for Science and Technology,Shanghai 200093 ~2College of Optical and Electronics Engineering,University of Shanghai for Science and Technology,Shanghai 200093

【机构】 College of Science University of Shanghai for Science and Technology； College of Science； University of Shanghai for Science and Technology； College of Optical and Electronics Engineering； Shanghai 200093；

【摘要】 <正>We theoretically studied a left-hand structure based on a two-dimensional(2D)photonic crystal(PC) with a negative refractive index.The propagation of electromagnetic waves in the proposed PC structure is investigated through dispersion characteristic analysis and numerical simulation of field pattern.The designed PC structure can exhibit all angle negative refraction,and the corresponding effective refractive indices along all directions are almost same and close to the ideal value of-1.A flat lens formed from such a PC has been designed and its imaging properties have been investigated systematically.更多还原

【Abstract】 We theoretically studied a left-hand structure based on a two-dimensional(2D)photonic crystal(PC) with a negative refractive index.The propagation of electromagnetic waves in the proposed PC structure is investigated through dispersion characteristic analysis and numerical simulation of field pattern.The designed PC structure can exhibit all angle negative refraction,and the corresponding effective refractive indices along all directions are almost same and close to the ideal value of-1.A flat lens formed from such a PC has been designed and its imaging properties have been investigated systematically.更多还原

【关键词】 refraction； refractive； systematically； photonic； focusing； Bragg； directions； struc； Brillouin； indices；

【基金】 This work was supported by the National Natural Science Foundation of China(No. 60478045);the National Basic Program of China(No.2005CB724304);the Shanghai Leading Academic Discipline Project(No.T0501);the Shanghai Foundation for Development of Science and Technology(No.04dz05110).

【文献出处】 Chinese Optics Letters ,中国光学快报(英文版) , 编辑部邮箱 ,2007年06期

【分类号】O435.1
【被引频次】3
【下载频次】48

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