Investigation of the properties of weakly reflective metamaterials with compensated chirality

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

doi:10.1134/S1063774514040178

Investigation of the properties of weakly reflective metamaterials with compensated chirality

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

Not published at Aalto University

Research output: Contribution to journal › Article › Scientific › peer-review

7 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	480-485
Number of pages	6
Journal	Crystallography Reports
Volume	59
Issue number	4
DOIs	https://doi.org/10.1134/S1063774514040178
Publication status	Published - Jul 2014
MoE publication type	A1 Journal article-refereed

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@article{05e60df6e5fc483193abd922052e59aa,

title = "Investigation of the properties of weakly reflective metamaterials with compensated chirality",

abstract = "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.",

author = "Semchenko, {I. V.} and Khakhomov, {S. A.} and Asadchy, {V. S.} and Naumova, {E. V.} and Prinz, {V. Ya} and Golod, {S. V.} and Milekhin, {A. G.} and Goncharenko, {A. M.} and Sinitsyn, {G. V.}",

note = "Funding Information: ACKNOWLEDGMENTS This study was supported by the Belarussian Repub lican Foundation for Basic Research, project no. F12SO 039, and the Siberian Branch of the Russian Academy of Sciences, integration projects nos. 28 and 128.",

year = "2014",

month = jul,

doi = "10.1134/S1063774514040178",

language = "English",

volume = "59",

pages = "480--485",

journal = "Crystallography Reports",

issn = "1063-7745",

publisher = "Pleiades Publishing",

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TY - JOUR

T1 - Investigation of the properties of weakly reflective metamaterials with compensated chirality

AU - Semchenko, I. V.

AU - Khakhomov, S. A.

AU - Asadchy, V. S.

AU - Naumova, E. V.

AU - Prinz, V. Ya

AU - Golod, S. V.

AU - Milekhin, A. G.

AU - Goncharenko, A. M.

AU - Sinitsyn, G. V.

N1 - Funding Information: ACKNOWLEDGMENTS This study was supported by the Belarussian Repub lican Foundation for Basic Research, project no. F12SO 039, and the Siberian Branch of the Russian Academy of Sciences, integration projects nos. 28 and 128.

PY - 2014/7

Y1 - 2014/7

N2 - 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.

AB - 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.

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DO - 10.1134/S1063774514040178

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SN - 1063-7745

VL - 59

SP - 480

EP - 485

JO - Crystallography Reports

JF - Crystallography Reports

IS - 4

ER -

Investigation of the properties of weakly reflective metamaterials with compensated chirality

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