• Milekhin, A. G.
• Semchenko, I. V.
• Khakhomov, S. A.
• Naumova, E. V.
• Prinz, V. Ya
• Golod, S. V.
• Goncharenko, A. M.
• Sinitsyn, G. V.

Abstract

<p>The properties of an artificial anisotropic structure formed by microhelices have been numerically simulated by the example of a specially designed sample. The sample contains paired helices with right- and left-handed twisting directions, due to which the metamaterial chirality is compensated for. Helices are char-acterized by precalculated optimal parameters; as a result, the permittivity and permeability of metamaterial are approximately equal. Therefore, the wave impedance of the structure is close to the impedance of free space in the frequency range near 2 THz and the reflection of normally incident electromagnetic waves is weak. A boundary problem is solved and an analytical expression is obtained for the reflection and transmis- sion coefficients of an electromagnetic wave passing through the structure. The simulated properties of the structure are compared with experimental results.</p>

Topics

• impedance spectroscopy
• anisotropic
• permeability
• metamaterial