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Research Interests in Our Group

Cylindrical Metamaterials

Our research group seeks to develop new directions in classical areas of electromagnetics and RF/microwave engineering, but is centered around the study of 'metamaterial' technologies. Metamaterials are artificial materials designed to possess exotic electromagnetic properties not available in nature, such as a negative refractive index. Their unusual properties can be leveraged to improve the performance of several devices and, sometimes, yield entirely new phenomena. Metamaterials represent an explosive emerging research area that has attracted significant attention in recent years for groundbreaking innovations. Our research group is investigating the ways in which we can control electromagnetic fields using such metamaterials, as well as their applications to practical devices and components for biomedicine, defense, and telecommunications. Some examples of our group's most recent contributions are listed below.


  • RF/microwave circuits and transmission-line techniques
    • Embedded metamaterial-based EBGs for multi-band devices
    • Multiconductor transmission-line modeling of metamaterials and EBGs
  • Fundamental electromagnetic theory
    • Mechanisms of subdiffraction imaging
    • Complex modes, the theory of FSSs, and extraordinary transmission
    • Effective-medium/homogenization theories and techniques
  • Novel concepts in antenna theory and design
    • Antenna miniaturization
    • Beamshaping structures
    • New antenna topologies for IoT, RFID, fixed broadband wireless, GPS, GPR, and 5G
  • Metamaterial/metasurface devices and their applications
    • Miniaturized waveguide devices
    • Metamaterial solutions for high-field MRI
    • Conformal metasurfaces for antenna beamshaping
    • Metamaterial-enhanced sensing and refractometry
    • Metamaterial-enabled subdiffraction imaging/lensing
    • THz-IR-optical plasmonic metasurfaces

 

U of A NSERC CFI Alberta Ministry of Advanced Education Infinite Electronics Inc. KP Performance Inc. Voltera Inc. Sinclair Technologies Inc. NovAtel Inc. Sensors and Software Inc.