Electromagnetic‐wave diffraction by a chiral layer with a reflecting grating of dielectric‐filled grooves

Kusaykin, O. P.; Poyedynchuk, Anatoly Ye.

doi:10.1002/mop.10351

Cited by 5 publications

(2 citation statements)

References 1 publication

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“…The probability of full non-specular reflection was proved for the comb-type reflecting array. In [5], the autocollimation mode is studied on one-dimensional arrays with a finite number of elements, while [6,7] deal with the problems of diffraction of E and H linearly polarized waves on reflecting arrays covered with a chiral layer. Diffraction studies of the wave beam on a two-dimensional periodic waveguide-type array with the centers of the master cells lying in the nodes of a rectangular grid are provided in [8,9].…”

Section: Introductionmentioning

confidence: 99%

Autocollimation of a Gaussian beam reflected by a beveled array of short-circuited rectangular waveguides

Yeliseyev¹

2013

J. Opt.

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This paper investigates the dispersion of a three-dimensional Gaussian wave beam on a two-dimensional periodic array of short-circuited waveguides with a beveled (nonrectangular) grid in the autocollimation mode. The correlation of reflection rates in terms of the power and the length of the short-circuited waveguides has been estimated for specular and non-specular beams. The relationship between the directional pattern of the reflected beam in the far field and the array and incident beam parameters has been investigated. Three-dimensional directional patterns have been designed in terms of the power of specular and non-specular beams in the far field. Energy characteristics and three-dimensional directional patterns have been obtained for the non-specular beam in the far field. A new algorithm for analyzing three-dimensional problems of scattering of linearly polarized wave beams on two-dimensional periodic structures is proposed. This algorithm allows the investigation of wave beams with arbitrary field distributions over the cross-section. The case of oblique incidence of a linearly polarized Gaussian wave beam on a two-dimensional periodic structure is considered. A reflective array with short rectangular waveguides is chosen as the structure. The beam pattern transformation of the scattered beam in the far field is investigated. The effects of narrowing of the beam pattern and distortion of the reflected beam pattern are detected. A physical explanation of these effects is offered. The results are presented in the form of two-dimensional and three-dimensional patterns of the scattered field of the beam in the far field.

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Section: Introductionmentioning

confidence: 99%

Autocollimation of a Gaussian beam reflected by a beveled array of short-circuited rectangular waveguides

Yeliseyev¹

2013

J. Opt.

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“…A considerable amount of research in the recent decades has been devoted to electromagnetic properties of such complex media as chiral materials, omega-medium, bi-anisotropic medium [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18]. Serious efforts have been directed towards building microwave composites whose effective permittivity and permeability can take negative values [9,10,14].…”

Section: Introductionmentioning

confidence: 99%

Absorbing Properties of a Negative Permittivity Layer Placed on a Reflecting Grating

Kusayakin¹,

Melezhik²,

Poyedinchuk³

et al. 2006

PIER

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Abstract-Theoretical results on the electromagnetic properties of such a structure as a negative-permittivity layer placed on a reflecting grating are discussed. Effect of this structure resonant absorption of the excitation electromagnetic energy is studied in a wide range of problem parameters. The sufficient conditions of the effect appearance are determined by solving the dielectric-layer eigenoscillation problem. A comparative analysis of the absorption by the negative-and the positive-permittivity structures is made to reveal the characteristic features of the effect. Phenomenon of the absorption resonance splitting is shown in the case of plane wave oblique incidence on the structure. The E-polarized plane wave diffraction is considered to find out essential difference of the resonant absorption in the E and H cases.

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Diffraction and Spectral Characteristics of Chiral Layer

Kusaykin

Poyedynchuk

2005

Int J Infrared Milli Waves

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Electromagnetic‐wave diffraction by a chiral layer with a reflecting grating of dielectric‐filled grooves

Cited by 5 publications

References 1 publication

Autocollimation of a Gaussian beam reflected by a beveled array of short-circuited rectangular waveguides

Autocollimation of a Gaussian beam reflected by a beveled array of short-circuited rectangular waveguides

Absorbing Properties of a Negative Permittivity Layer Placed on a Reflecting Grating

Diffraction and Spectral Characteristics of Chiral Layer

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