TY - JOUR
T1 - Resonant excitation of evanescent spatial harmonics in medium formed by parallel metallic nanorods
AU - Ageyskiy, A. E.
AU - Kosulnikov, S. Yu
AU - Belov, P. A.
N1 - Funding Information:
This work was supported by the Ministry of Educa tion and Science of the Russian Federation and the Federal Agency for Education in terms of the project no. RNP 2.1.1/3363 of the analytical departmental targeted program “Development of the Scientific Potential of the Higher School (2009–2010)”; by the Federal Targeted Program “Scientific and Scientific Pedagogical Personnel of the Innovation Russia (2009–2013)” in terms of the project nos. NK 423P/51 and NK 531P/21; and by a grant from the President of the Russian Federation for the state sup port of young Russian scientists, the project no. MK 4325.2009.2.
PY - 2011/4
Y1 - 2011/4
N2 - The results of analytical modeling of the resonant excitation of evanescent harmonics in a medium formed by parallel metallic nanorods taking into account the spatial dispersion are presented. Analytical expressions are derived for the reflection and transmission coefficients, as well as for the amplitudes of elec- tromagnetic waves inside the medium. These expressions are compared to similar expressions that were pre- viously obtained using a local model of an ultimately anisotropic material without taking into account the spatial dispersion. The obtained expressions are simplified for various partial cases, including the superreso- lution imaging of a source that is located at a considerable distance from the metamaterial layer. A layer of a medium composed from finite-sized wires is numerically simulated and it is demonstrated that, due to the effect of resonant excitation of evanescent spatial harmonics in the layer, subwavelength details of an object that is considerably distant from the layer can be distinguished inside of the layer.
AB - The results of analytical modeling of the resonant excitation of evanescent harmonics in a medium formed by parallel metallic nanorods taking into account the spatial dispersion are presented. Analytical expressions are derived for the reflection and transmission coefficients, as well as for the amplitudes of elec- tromagnetic waves inside the medium. These expressions are compared to similar expressions that were pre- viously obtained using a local model of an ultimately anisotropic material without taking into account the spatial dispersion. The obtained expressions are simplified for various partial cases, including the superreso- lution imaging of a source that is located at a considerable distance from the metamaterial layer. A layer of a medium composed from finite-sized wires is numerically simulated and it is demonstrated that, due to the effect of resonant excitation of evanescent spatial harmonics in the layer, subwavelength details of an object that is considerably distant from the layer can be distinguished inside of the layer.
UR - http://www.scopus.com/inward/record.url?scp=79959999010&partnerID=8YFLogxK
U2 - 10.1134/S0030400X11040023
DO - 10.1134/S0030400X11040023
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AN - SCOPUS:79959999010
SN - 0030-400X
VL - 110
SP - 572
EP - 585
JO - Optics and Spectroscopy (English translation of Optika i Spektroskopiya)
JF - Optics and Spectroscopy (English translation of Optika i Spektroskopiya)
IS - 4
ER -