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Section of Electronic Physics and Systems

MICROWAVE AND OPTICS APPLICATIONS GROUP

The Microwave Applications Group is focused on microwave theory and applications, the study and design of high-power microwave sources, antennas, etc. 

The group has a number of high-performance computing systems, as well as a number of commercial electromagnetic device simulation packages and numerical codes developed for the simulation of microwave devices. It also uses the Laboratory of Microwaves to carry out simple microwave measurements.

 

People


Permanent Staff


Postdoctoral Researchers

  • Dr. D. Peponis
  • Dr. I. Chelis


PhD Candidates

  • Chr. Argiropoulos
  • A. Zelkas 
  • E. Katsara


External Cooperating Staff

  • Assist. Professor Z. C. Ioannidis, Department of Aerospace Science and Technology
  • E. Deliprimis, PhD Candidate, Department of Aerospace Science and Technology

 

Research Areas

  • Propagation and scattering of electromagnetic waves in microwave and optical waveguide structures.
  • Theory, simulation and design of microwave source components (cavity, beam tunnel, electron gun)
    • Design of MW gyrotron components with applications in Fusion.
    • Simulation and support of the experimental verification of gyrotrons using in-house (EURIDICE, NESTOR, COCHLEA, FISHBONE) and commercial (CST Studio Suite, EGUN2, TRAK) numerical tools.
    • Design of advanced future MW gyrotrons operating in the 2nd harmonic.
  • Propagation and scattering of electromagnetic waves in composite inomogeneous and anisotropic media and in plasma.
  • Computational electromagnetics: Development and optimization of computational methods and numerical tools for the study and simulation of composite electrodynamical structures.

 

Recent Research Programmes

  • EUROfusion, EC, 2021-2025, Work Packages HCD, W7X, ENR, TRED, PMU-Mgmt.
  • “Design of the beam tunnel for the TH1509U gyrotron (1 MW 170 GHz) for ITER”, Thales AVS SAS, 2021.
  • “Design of the cavity downtaper of the TH1509U gyrotron”, Thales AVS SAS, 2022.
  • “Design of the resonant cavity of the TH1512 gyrotron and theoretical support to the experiments”, Thales AVS SAS, 2023-2025.
  • “Photonic Topological Wave Control in Complex Electromagnetic Media”, Hellenic Foundation for Research & Innovation (HFRI), 2023-2025.
  • “Investigations on possible operation of the TH1507U gyrotron (1.5 ΜW 140 GHz) at 105 GHz and 175 GHz”, Thales AVS SAS, 2024.