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Metasurfaces for Antennas

Abstract:

In recent years there has been significant research on synthesizing new materials that can be used for new and better antennas, and for resonance-free electromagnetic (EM) packaging of microwave-components and electronic circuits. Metasurfaces constitute a class of thin metamaterials, which are used from microwave to optical frequencies to control wave propagation along the surface, i.e. to enable new radiation and guiding properties. At microwave frequencies, they are constituted by sub-wavelength size patches or pins printed on thin grounded dielectric substrates or realized as a texture in a metal surface. During this course the background and basic theory of different types of canonical metasurfaces will be explained, as well as how to realize such surfaces for sufficient bandwidth for different applications, and how to devise good theoretical models and implement them numerically. The material will be presented in relation to specific types of surfaces and their applications, such as: soft and hard surfaces (represented by PEC/PMC strip grids and realized by e.g. corrugations), Artificial Magnetic Conductors (AMC), Electromagnetic BandGap (EBG) surfaces, controllable “smart” surfaces, stopband surfaces used to suppress parallel-plate modes in gap waveguides, and novel wave-guiding structures. Some key words regarding applications are reduction of sidelobes and mutual coupling (EBG and soft surfaces), reduction of blockage and cloaking (hard surfaces), novel metasurface antennas, metasurface lenses, compact efficient horn antennas, miniaturization. The last part of the course will be devoted to the design of gap waveguides for different practical millimeter wave antenna systems, such as: high-Q gap waveguide filters, planar gap waveguide antennas, and gap waveguides for EM packaging in RF front-ends.

Course topics:

  • Metasurface concept
  • Control of surface waves and leaky-wave  radiation
  • Gap waveguide concept and components
  • Gap waveguide antennas
  • Metasurface transmitarrays and active metasurfaces
  • Modelling of metasurfaces
  • Applications and design of metasurfaces


Course schedule
: 25 hours lectures + 15 hours self study, exercises and group work
Prerequisites: Basic electromagnetic theory,  Basic antenna theory
Availability: 25 students

Additional Info: the course gives 2 ECTS credits


Registration:

To register for the course, please download the Registration Form, fill it in and send back a signed copy either via email or via fax. Detailed instructions are available in the Form. The course fee is 440 EUR for participants coming from academia and other non-profit institutions (PhD  students, post-docs, etc.) and 880 EUR for participants coming from the industry. At the moment course fee payment is possible by bank transfer or by American Express credit card as indicated in Registration form, however, payment by other major credit cards will be possible soon.

Student grant information:

Several grants are offered to PhD students sponsored by Gapwaves AB (3 grants), IIDS - Ingegneria Dei Sistemi (1 grant), CST-Computer Simulation Technology (1 grant) and University of Zagreb (1 grant). The grant covers course fee of 440€.

The grant recipients are:

1. Walter Fuscaldo                          (La Sapienza, Italy)

2. Mahsa Ebrahimpouri                   (KTH, Sweden)

3. Miguel Ferrando Rocher             (University of Valencia, Spain)

4. Giuseppe Labate                        (POLITO, Italy)
5. Milad Sharifi Sorkherizi               (Concordia Univ., Canada)
6. Silvia Tofani                                (La Sapienza, Italy)

How to reach:
Information on how to reach Zagreb can be found in pdf attached below. Additional detailed information about reaching the venue will be provided before the course.
Accommodation:
Accommodation is not included in the course fee. Zagreb has a good offer of reasonably priced hotels,  hostels and even apartments that can be booked through most major reservation websites (booking.com, tripadvisor.com, airbnb.com,…). We suggest to book in advance since in October there are still a lot of tourists in Zagreb.
Further Information:
To receive further information you can subscribe your e-mail address to the course mailing list (see the button below)
Responsibles:
Prof. Per-Simon Kildal, CHALMERS, Gothenburg, Sweden
Prof. Zvonimir Sipus, UNIZAG, Zagreb, Croatia

Location: UNIZAG - Faculty of Electrical Engineering and Computing, Zagreb
Date: 05/10/2015 - 09/10/2015
Contact Person:    Zvonimir Sipus      E-mail:  zvonimir.sipus@fer.hr
Items in this section:
File How_to_reach_Zagreb.pdf   (2.5 MB)
File Registration form_Metasurfaces_Zagreb_2015b.doc   (72 kB)
File ESoA_Metasurfaces_Zagreb_2015_program_NEW.pdf   (386 kB)
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