Energy flow in negative index materials

被引：0
|
作者：
Bolla, Lorenzo [1 ]
Midrio, Michele [1 ]
Someda, Carlo G. [2 ]
机构：
[1] I.N.F.M., Dipartimento di Ingegneria Elettrica, Universita degli Studi di Udine, viale delle Scienze 208, 33100 Udine, Italy
[2] I.N.F.M., Dipartimento di Ingegneria dell'Info, via G. Gradenigo 6/B, 35131 Padova, Italy
来源：
Chinese Optics Letters | 2004年 / 2卷 / 07期
关键词：
Electromagnetic wave refraction - Maxwell equations - Permittivity;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
From Maxwell's equations, we compute the speed and the direction of propagation of active power refracted from air into a negative index material. We prove, both analytically and numerically that the power may refract positively even if phase fronts refract negatively. Considerations on the usage of ray optics in problems involving negative index materials are drawn.
引用
收藏
页码：428 / 430
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