Coaxial resonator for a megawatt 280 GHz gyrotron
โ Scribed by Barroso, J. J. ;Correa, R. A.
- Publisher
- Springer
- Year
- 1991
- Tongue
- English
- Weight
- 461 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0195-9271
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A coaxial-fed hexagonal dielectric resonator antenna (HDRA) producing circular polarization is investigated experimentally. Circular polarization is achieved by exciting the orthogonal HE 11โฆ modes of the HDRA in phase quadrature. The return-loss, impedance, and radiation characteristics are studied
## Abstract Hexagonal dielectric resonator antenna (HDRA) for multifrequency operation is proposed and investigated experimentally. The proposed antenna, excited by a single coaxial feed, resonates at four frequencies centered at 2.215, 2.784, 3.445, and 3.955 GHz with identical polarization. The r