FOCUSING THE VERTICAL ELECTRIC DIPOLE RADIATION BY PENDRY LENS
The flat lens conception was considered in the pioneering work of V. G. Veselago, who considered the possibility of electromagnetic waves propagation in media with simultaneously negative permittivity and permeability (according to modern terminology – in the left-handed metamaterials). Later, J. B....
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
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Akademperiodyka
2016-12-01
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| Series: | Радиофизика и электроника |
| Subjects: | |
| Online Access: | http://re-journal.org.ua/sites/default/files/file_attach/2016-4/7.pdf |
| _version_ | 1811321642652008448 |
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| author | O. M. Stadnyk O. O. Silin |
| author_facet | O. M. Stadnyk O. O. Silin |
| author_sort | O. M. Stadnyk |
| collection | DOAJ |
| description | The flat lens conception was considered in the pioneering work of V. G. Veselago, who considered the possibility of electromagnetic waves propagation in media with simultaneously negative permittivity and permeability (according to modern terminology – in the left-handed metamaterials). Later, J. B. Pendry put forward the idea of so-called “superlens”, the resolution of which would exceed the diffraction limit. In view of the prospects for the practical applications it has caused a discussion on the possibility of antiparallelism of phase and group velocities and the actual superresolution implementation for the source in the form of a monopole. However, using the ray theory approximation reduced the generality of the results, neglecting losses radically distorted them, and errors in the theoretical analysis led to the wrong physical interpretation. In this paper, we obtained a rigorous solution to the problem of focusing radiation from elementary electric dipole located perpendicularly to the plane layer of finite thickness made of the left-handed metamaterial with absorption. Spatial distribution of the electromagnetic field in the layer, as well as the incident and reflected fields at various heights of the dipole, layer thickness and losses in each environment are numerically simulated.The analysis of the calculated spatial structure of the electromagnetic field confirmed the focusing ability of the interfaces between ordinary and left-handed media, as well as a flat lens. |
| first_indexed | 2024-04-13T13:21:19Z |
| format | Article |
| id | doaj.art-0a4570b001de41aeae5c9d3a3ddd6284 |
| institution | Directory Open Access Journal |
| issn | 1028-821X 2415-3400 |
| language | English |
| last_indexed | 2024-04-13T13:21:19Z |
| publishDate | 2016-12-01 |
| publisher | Akademperiodyka |
| record_format | Article |
| series | Радиофизика и электроника |
| spelling | doaj.art-0a4570b001de41aeae5c9d3a3ddd62842022-12-22T02:45:18ZengAkademperiodykaРадиофизика и электроника1028-821X2415-34002016-12-012144048https://doi.org/10.15407/rej2016.04.040FOCUSING THE VERTICAL ELECTRIC DIPOLE RADIATION BY PENDRY LENSO. M. Stadnyk0O. O. Silin1O. Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of UkraineO. Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of UkraineThe flat lens conception was considered in the pioneering work of V. G. Veselago, who considered the possibility of electromagnetic waves propagation in media with simultaneously negative permittivity and permeability (according to modern terminology – in the left-handed metamaterials). Later, J. B. Pendry put forward the idea of so-called “superlens”, the resolution of which would exceed the diffraction limit. In view of the prospects for the practical applications it has caused a discussion on the possibility of antiparallelism of phase and group velocities and the actual superresolution implementation for the source in the form of a monopole. However, using the ray theory approximation reduced the generality of the results, neglecting losses radically distorted them, and errors in the theoretical analysis led to the wrong physical interpretation. In this paper, we obtained a rigorous solution to the problem of focusing radiation from elementary electric dipole located perpendicularly to the plane layer of finite thickness made of the left-handed metamaterial with absorption. Spatial distribution of the electromagnetic field in the layer, as well as the incident and reflected fields at various heights of the dipole, layer thickness and losses in each environment are numerically simulated.The analysis of the calculated spatial structure of the electromagnetic field confirmed the focusing ability of the interfaces between ordinary and left-handed media, as well as a flat lens.http://re-journal.org.ua/sites/default/files/file_attach/2016-4/7.pdfelectric dipoleelectromagnetic fieldleft-handed metamaterialpendry lens |
| spellingShingle | O. M. Stadnyk O. O. Silin FOCUSING THE VERTICAL ELECTRIC DIPOLE RADIATION BY PENDRY LENS Радиофизика и электроника electric dipole electromagnetic field left-handed metamaterial pendry lens |
| title | FOCUSING THE VERTICAL ELECTRIC DIPOLE RADIATION BY PENDRY LENS |
| title_full | FOCUSING THE VERTICAL ELECTRIC DIPOLE RADIATION BY PENDRY LENS |
| title_fullStr | FOCUSING THE VERTICAL ELECTRIC DIPOLE RADIATION BY PENDRY LENS |
| title_full_unstemmed | FOCUSING THE VERTICAL ELECTRIC DIPOLE RADIATION BY PENDRY LENS |
| title_short | FOCUSING THE VERTICAL ELECTRIC DIPOLE RADIATION BY PENDRY LENS |
| title_sort | focusing the vertical electric dipole radiation by pendry lens |
| topic | electric dipole electromagnetic field left-handed metamaterial pendry lens |
| url | http://re-journal.org.ua/sites/default/files/file_attach/2016-4/7.pdf |
| work_keys_str_mv | AT omstadnyk focusingtheverticalelectricdipoleradiationbypendrylens AT oosilin focusingtheverticalelectricdipoleradiationbypendrylens |