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Coordinate-transformation-based ultra-directive emission

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4 Author(s)
Tichit, P.-H. ; IEF, Univ. Paris-Sud, Orsay, France ; Burokur, S.N. ; Germain, D. ; de Lustrac, A.

The modelling, practical implementation and characterisation of an ultra-directive antenna around 10 GHz are presented. The design of the antenna is based on the transformation optics concept by transforming a radiating cylindrical space into a rectangular one. Metamaterials presenting electric and magnetic resonances are used to achieve the transformation. Field intensity mappings and direct far-field measurements are performed to experimentally demonstrate the narrow beam profile.

Published in:

Electronics Letters  (Volume:47 ,  Issue: 10 )