Capacitively-loaded THz dipole antenna designs with high directivity and high aperture efficiency
- Publication Type:
- Conference Proceeding
- Citation:
- ISAP 2013 - Proceedings of the 2013 International Symposium on Antennas and Propagation, 2013, 1 pp. 294 - 296
- Issue Date:
- 2013-12-01
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Filename | Description | Size | |||
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06717439.pdf | Published version | 2.8 MB |
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Several linearly polarized photoconductive terahertz antenna designs and their performance characteristics are reported. A single capacitively-loaded dipole antenna is introduced first; it has a 12.8 dB directivity, a 11.6 dB realized gain, and a 82% radiation efficiency. By connecting two single capacitively-loaded dipole antennas to form a linear array, higher directivity (14.8 dB), lower sidelobe level (-18 dB) and larger front-to-back-ratio (14 dB) values are achieved. Moreover, by incorporating a meta-film structure as a superstrate of the antenna array, some additional interesting behaviors are achieved. © 2013 Antenna Society of the Chinese Institute of Electronics.
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