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Title Wideband Planar Transmission Line Hyperbolic Metamaterial for Subwavelength Focusing and Resolution Permalink
| Content Provider | Semantic Scholar |
|---|---|
| Author | Guclu, Caner |
| Copyright Year | 2013 |
| Abstract | We analyze both theoretically and experimentally subwavelength focusing by using a planar hyperbolic metamaterial (HM) at microwave frequencies. The proposed HM consists of microstrip transmission lines (TLs) loaded by lumped components and exhibits a very flat wave vector iso-frequency dispersion diagram over a wide frequency range, and thus able to transport spectral component with large wavenumbers. This flatness is here exploited to provide subwavelength focusing with a full width half maximum (3-dB power width) of about and at 0.5 and 1 GHz, respectively, where is the guided wavelength in the TL microtrip grid. Numerical simulation results are in good agreement with measurement ones. Moreover, we also investigate the capability of the proposed HM to resolve sources with subwavelength distance of about and at 0.5 and 1 GHz, respectively. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://cloudfront.escholarship.org/dist/prd/content/qt1jk8334d/qt1jk8334d.pdf?t=o2niqx |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
