Wisconsin Discovery Portal

Researcher: Nader Behdad

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Areas of Expertise
  • Mechanically-tunable antennas and periodic structures
  • Origami electromagnetic structures
  • Foldable electromagnetic devices
  • Design of reconfirugrable antennas, metamaterials, phased-arrays, and periodic structures
  • Microwave periodic structures and metamaterials
  • Metamaterials for high-power microwave applications
  • Frequency selective surfaces
  • Sub-wavelength periodic structures, microwave lenses, and reflectarrays
  • Electrically-small antennas
  • Biomimetic antennas and antenna arrays, super-resolving electrically-small antenna arrays, super-directive electrically-small antenna arrays
  • Tunable antennas
  • Compact, ultra-wideband antennas
  • Phased array antennas, large antenna apertures, and antenna arrays
  • High-power microwave systems
  • High-power microwave metamaterials
  • Applications of metamaterials in the design of vacuum electronic sources and amplifiers
  • Investigation of breakdown issues in hpm periodic structures and metamaterials
  • Microwave imaging for early detection of breast cancer
  • Microwave ablation and hyperthermia for cancer treatment
  • Novel antenna array architectures for interference mitigation and capacity-enhancement of MIMO wireless communications systems.
  • New aperture architectures and pixel designs for millimeter-wave/IR imaging
Web Site Nader Behdad's Department of Electrical and Computer Engineering Website
Curriculum Vitae (CV) Nader Behdad's CV
Issued Patent(s)
  • 9,431,712 - Electrically-small, low-profile, ultra-wideband antenna, issued August 2016.
  • 9,406,477 - Traveling wave tube loaded by a material having negative permittivity and positive permeability, issued August 2016.
  • 9,337,540 - Ultra-wideband, low profile antenna, issued May 2016.
  • 8,849,229 - Electrically small, super directive antennas, issued September 2014.
  • 8,811,511 - Hybrid analog-digital phased MIMO transceiver system, issued August 2014.
USPTO Published Applications
  • 20160294054 - Tunable spatial phase shifter, published October 2016.
  • 20150357715 - Ultra-wideband, low profile antenna, published December 2015.
  • 20150256139 - Epsilon negative loaded traveling wave tube, published September 2015.
  • 20150250540 - Microwave ablation antenna system, published September 2015.
  • 20140347243 - Electrically-small, low-profile, ultra-wideband antenna, published November 2014.
Recent Publication(s)
  • A minimally invasive, coax-fed microwave ablation antenna with a tapered-slot balun. Luyen H, Hagness SC, Behdad N. 2016 IEEE international Symposium on Antennas and Propagation. 2016 Jul 1. doi: 10.1109/APS.2016.7696289.

  • True-time-delay UWB reflectarray with linear to circular polarization transformation. Abadi SMAMH, Behdad N. 2016 IEEE international Symposium on Antennas and Propagation. 2016 Jul 1. doi: 10.1109/APS.2016.7696310.

  • Metamaterial-enhanced resistive wall amplifier design using periodically spaced inductive meandered lines. Rowe T, Behdad N, Booske JH. IEEE Transactions on Plasma Science. 2016 Aug 24;44(10):2476-2484. doi: 10.1109/TPS.2016.2599144.

  • Macro-electro-mechanical systems (M&Aelig;MS) based concept for microwave beam steering in reflectarray antennas. Abadi AMAMH, Booske JH, Behdad N. Journal of Applied Physics. 2016;120(5):054901-1-054901-8. doi: 10.1063/1.4960352.

View Nader Behdad's publications at Google Scholar.
Recent Artistic Works
Research Tools
Research Facilities
E-mail Address [email protected]
Phone Number 608-262-8804
Current University UW–Madison
Department Electrical and Computer Engineering
Title Associate Professor
Other Appointments
Address Line 1 3438 Engineering Hall
Address Line 2 1415 Engineering Drive
City Madison
State WI
Zip Code 53706
Bachelor's Degree B.S., Sharif University of Technology, Tehran, Iran, Electrical Engineering, 2000
Master's Degree M.Sc., University of Michigan-Ann Arbor, Electrical Engineering, 2003
PhD Ph.D., University of Michigan-Ann Arbor, Electrical Engineering, 2006
Other Degrees
Technologies Available for Licensing Enhanced Traveling Wave Tube

Ultrawide Band, Low-Profile ‘Stacked’ Antenna System

Ultrawide Band, Compact Antenna for Low Frequency Applications, Including Military Vehicles and Wireless Communications

Minimally Invasive Microwave Ablation Antennas

Electrically-Small, Super-Resolving Antennas and Arrays

Hybrid Analog-Digital Transceiver for Enhanced Wireless Communications

Low-Profile, Ultrawide Band Antenna

Ultrawideband, Frequency-Selective Transceiver Lens for Less Distortion

Electrically Small, Super-Directive Antennas Inspired by Insect Anatomy