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IS03: Antenna Designs Based on Gap Waveguide Technology

Tuesday - 3:00-3:40pm - Room Bordeaux

Eva Rajo-Iglesias

University Carlos III of Madrid, Spain

Eva Rajo-Iglesias received the M.Sc. degree in telecommunication engineering from the University of Vigo, Spain, in 1996, and the Ph.D. degree in telecommunication engineering from the University Carlos III of Madrid, Spain, in 2002. She is an Associate Professor with the Department of Signal Theory and Communications since 2004. She has been an Affiliate Professor with the Antenna Group, Chalmers University of Technology, since 2009 after a long-term collaboration and visits started in 2004. She has co-authored more than 50 papers in JCR international journals and more than 100 papers in international conferences. Her current research interests include microstrip patch antennas and arrays, metamaterials, artificial surfaces and periodic structures, gap waveguide technology, MIMO systems and optimization.

Dr. Rajo-Iglesias was the recipient of the Loughborough Antennas and Propagation Conference Best Paper Award in 2007, the Best Poster Award in the conference Metamaterials 2009, the 2014 Excellence Award to Young Research Staff at the University Carlos III of Madrid and the Third Place Winner of the Bell Labs Prize 2014. She is currently an Associate Editor of the IEEE Antennas and Propagation Magazine and of the IEEE Antennas and Wireless Propagation Letters.


Gap waveguide technology is based on the control of wave propagation by using periodic structures. This technology, derived from the metamaterials and artificial surfaces background, has been employed during the last seven years to develop new antenna system components. The main advantage is the compromised low loss characteristic/low cost feature, provided by the possibility of using only metal and the non required electrical contact. Consequently, the technology has a lot of potential to be use in the millimeter wave frequency range. Along these years, classical antenna designs have been revisited using this technology as for instance slot arrays or leaky wave antennas but also other system components such as filters, diplexers or feed networks.  

A global overview of the technology, the different metasurfaces to be used and mainly the state of the art in terms of antenna designs making use of it will be presented in the talk. 

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