On the Sign of the Refractive Index for Metamaterials

被引：0
|
作者：
Fisanov, V. V. [1 ,2 ,3 ]
机构：
[1] Tomsk State Univ, VD Kuznetsov Siberian Phys Tech Inst, Tomsk, Russia
[2] Natl Res Tomsk State Univ, Tomsk, Russia
[3] Russian Acad Sci, Siberian Branch, Inst Phys Mat Sci, Ulan Ude, Russia
来源：
RUSSIAN PHYSICS JOURNAL | 2021年 / 64卷 / 08期
关键词：
isotropic media; metamaterials; refractive index; forward and backward waves; refractive-index vector; wave type identifier; NEGATIVE REFRACTION; ENERGY;
D O I：
10.1007/s11182-021-02490-4
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The concept of the negative refractive index with application to doubly negative metamaterials is critically analyzed. The positive value of the refractive index is consistent with the definition of the refractive-index vector and the wave vector. A simple method for calculating the complex refractive index for dissipative isotropic materials using the concept of the wave-type identifier is presented.
引用
收藏
页码：1560 / 1565
页数：6
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