Fundamental challenges for wideband antenna elements in focal-plane arrays

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This paper discusses the main design challenges of wideband antenna elements which can be used in focal-plane arrays. A novel electrically-small wideband antenna is presented. It is based on a bow-tie antenna. The proposed antenna shows excellent input matching properties over a frequency band of more than one octave and nearly reaches the theoretical Chu-Harrington limit. It is shown that the centre element of a five-element feed array, operating at a centre frequency of 30 GHz, realizes an input matching bandwidth of 24.4 GHz.
Originele taal-2Engels
TitelProceedings of the The 9th European Conference on Antennas and Propagation (EuCAP'2015), 12-17 april 2015, Lisbon Portugal
StatusGepubliceerd - 2015

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Dubok, A., Al-Rawi, A., Herben, M. H. A. J., & Smolders, A. B. (2015). Fundamental challenges for wideband antenna elements in focal-plane arrays. In Proceedings of the The 9th European Conference on Antennas and Propagation (EuCAP'2015), 12-17 april 2015, Lisbon Portugal