Focusing by planoconcave lens using negative refraction
We demonstrate focusing of a plane microwave by a planoconcave lens fabricated from a photonic crystal having a negative refractive index and left-handed electromagnetic properties. An inverse experiment, in which a plane wave is produced from a source placed at the focal point of the lens, is also...
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| Veröffentlicht in: | Applied physics letters 2005-05, Vol.86 (20), p.201108-201108-3 |
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| Sprache: | eng |
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| container_end_page | 201108-3 |
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| container_issue | 20 |
| container_start_page | 201108 |
| container_title | Applied physics letters |
| container_volume | 86 |
| creator | Vodo, P. Parimi, P. V. Lu, W. T. Sridhar, S. |
| description | We demonstrate focusing of a plane microwave by a planoconcave lens fabricated from a photonic crystal having a negative refractive index and left-handed electromagnetic properties. An inverse experiment, in which a plane wave is produced from a source placed at the focal point of the lens, is also reported. A frequency-dependent negative refractive index,
n
(
ω
)
<
0
is obtained for the lens from the experimental data which match well with that determined from band structure calculations. |
| doi_str_mv | 10.1063/1.1927712 |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 0003-6951 |
| ispartof | Applied physics letters, 2005-05, Vol.86 (20), p.201108-201108-3 |
| issn | 0003-6951 1077-3118 |
| language | eng |
| recordid | cdi_crossref_primary_10_1063_1_1927712 |
| source | AIP Journals Complete; AIP Digital Archive |
| title | Focusing by planoconcave lens using negative refraction |
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