A low-loss unidirectional dielectric radiator (UDR) for antenna and space power combining circuits
- 1 February 1994
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Microwave Theory and Techniques
- Vol. 42 (2) , 339-341
- https://doi.org/10.1109/22.275267
Abstract
A low-loss unidirectional dielectric radiator (UDR) is proposed for applications to antenna and space power combining circuits. The operating principle of this novel radiator is explained in detail. Experimental prototypes using polystyrene are fabricated and measured around 9.5 GHz. A coaxial open-ended probe is used to excite this resonant radiator. A detailed study based on experimental results demonstrates interesting characteristics of a broad-beam with gain of up to 10 dBi and low cross-polarization. This type of radiator may find millimeter-wave applications in mobile and satellite communication systemsKeywords
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