negative index of refraction
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2021 ◽  
Vol 7 (7) ◽  
pp. 73312-73322
Author(s):  
Lucas Douglas Ribeiro ◽  
Arthur Henrique de Lima Ferreira ◽  
Juscelino Júnior De Oliveira ◽  
Rose Mary de Souza Batalha

A metamaterial based on a two-dimensional transmission-line network loaded with inductors and capacitors enabling to achieve negative-refractive-index (NRI) is developed. The dispersion characteristics are calculated by their equivalent circuit model and an operating frequency of 2.95 GHz in which there is impedance matching with free space is chosen in the S-Band. This NRI metamaterial supports transverse electric (TE) waves, thus it can be used in applications such as lensing. 


2021 ◽  
Vol 485 ◽  
pp. 126742
Author(s):  
Dibyendu Sardar ◽  
Sauvik Roy ◽  
Ghanasyam Remesh ◽  
S. Dutta Gupta ◽  
Bimalendu Deb

2018 ◽  
Vol 155 ◽  
pp. 01001
Author(s):  
Aleksandr Mironchev ◽  
Aleksandr Gorst

In this work creation of structure from ring conductors having negative index of refraction is shown. Experimental confirmation and finding of index of refraction, namely its real and imaginary part taking into account the error, for single-layer, two-layer, three-layered and four-layer structure.


2014 ◽  
Vol 63 (10) ◽  
pp. 104205
Author(s):  
Zhou Jian-Hua ◽  
Li Dong-Hua ◽  
Zeng Yang-Su ◽  
Zhu Hong-Peng

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