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Impact of Mutual Coupling in Leaky Wave Enhanced Imaging Arrays

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5 Author(s)

The impact of mutual coupling between neighboring radiators in an imaging array configuration in the presence of a dielectric super-layer is investigated. The super-layer generally aims at increasing the directivity of each element of the array. However, here it is shown that the directivity of the embedded element patterns are reduced by a high level of mutual coupling. Thus a trade off between directivity enhancement and close packing of the array elements must be found depending on the bandwidth and the pattern requirements.

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IEEE Transactions on Antennas and Propagation  (Volume:56 ,  Issue: 4 )