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左手材料参数偏移对其传输函数的影响

Effects of Parameter Deviations on Transfer Function of Left-Handed Materials
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摘要 根据电磁场理论推导出了左手材料的传输函数,并数值计算了介电常数和磁导率偏移理想值时,传输函数所发生的变化.数值计算表明:传输函数对介电常数和磁导率的偏移非常敏感,完美的左手材料透镜对偏移量的要求十分苛刻.因此,要得到工程意义上完美的左手材料透镜是相当困难的. Based on the electromagnetic theory, the transfer function of left-handed materials was derived,and the ettects ot parameter deviations on the transfer function were numerically calculated. The numerical simulation showed that the transfer function was sensitive to the parameter deviations, and that the requirements of perfect lens on the parameter deviations were exacting. Therefore, it is very difficult to obtain perfect lens for engineering industry.
作者 张高明 彭景翠 徐玉峰 翦知渐
机构地区 湖南大学应用物理系
出处 《湖南大学学报（自然科学版）》 EI CAS CSCD 北大核心 2006年第2期78-81,共4页 Journal of Hunan University:Natural Sciences
基金 高等学校博士学科点专项科研基金资助课题(20030532008)
关键词 左手材料 完美透镜 次波长分辨率 left-handed materials perfect lens sub wavelength resolution
分类号 O482.3 [理学—固体物理]
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参考文献10

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二级参考文献10

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湖南大学学报（自然科学版）
2006年 第2期

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