World's Best Scientists 2026 revealed!
Lotfollah Shafai

Lotfollah Shafai

D-Index & Metrics

Electronics and Electrical Engineering

D-Index
44
Citations
9386
World Ranking
3682
National Ranking
168

Lotfollah Shafai publication distribution in Electronics and Electrical Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Electronics and Electrical Engineering in 2026. The highlighted bar marks where Lotfollah Shafai sits on this spectrum.

34–53 publications: 24 scientists 54–73 publications: 52 scientists 74–93 publications: 114 scientists 94–113 publications: 203 scientists 114–133 publications: 269 scientists 134–153 publications: 355 scientists 154–173 publications: 403 scientists 174–193 publications: 445 scientists 194–213 publications: 430 scientists 214–233 publications: 431 scientists 234–253 publications: 399 scientists 254–273 publications: 366 scientists 274–293 publications: 335 scientists 294–313 publications: 300 scientists 314–333 publications: 276 scientists 334–353 publications: 250 scientists 354–373 publications: 214 scientists 374–393 publications: 187 scientists 394–413 publications: 152 scientists 414–433 publications: 169 scientists 434–453 publications: 147 scientists 454–473 publications: 111 scientists 474–493 publications: 117 scientists 494–513 publications: 103 scientists 514–533 publications: 99 scientists 534–553 publications: 92 scientists 554–573 publications: 75 scientists 574–593 publications: 58 scientists 594–613 publications: 69 scientists 614–633 publications: 50 scientists 634–653 publications: 62 scientists 654–673 publications: 54 scientists 674–693 publications: 44 scientists 694–713 publications: 37 scientists 714–733 publications: 28 scientists 734–753 publications: 26 scientists 754–773 publications: 26 scientists 774–793 publications: 19 scientists 794–813 publications: 23 scientists 814–833 publications: 20 scientists 834–853 publications: 16 scientists 854–873 publications: 20 scientists 874–893 publications: 11 scientists 894–913 publications: 11 scientists 914–933 publications: 16 scientists 934–953 publications: 13 scientists 954–973 publications: 10 scientists 974–993 publications: 11 scientists 994–1,013 publications: 9 scientists 1,014–1,033 publications: 9 scientists 1,034–1,053 publications: 10 scientists 1,054–1,064 publications: 6 scientists 1,065+ publications: 99 scientists
34 publications 1,065+

This scientist: 740 publications — 95th percentile

95% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,065 publications or more.

Lotfollah Shafai D-index placement in Electronics and Electrical Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Electronics and Electrical Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Lotfollah Shafai sits on this spectrum.

30 D-Index: 178 scientists 31 D-Index: 257 scientists 32 D-Index: 263 scientists 33 D-Index: 262 scientists 34 D-Index: 244 scientists 35 D-Index: 236 scientists 36 D-Index: 211 scientists 37 D-Index: 220 scientists 38 D-Index: 214 scientists 39 D-Index: 214 scientists 40 D-Index: 205 scientists 41 D-Index: 187 scientists 42 D-Index: 194 scientists 43 D-Index: 201 scientists 44 D-Index: 155 scientists 45 D-Index: 189 scientists 46 D-Index: 148 scientists 47 D-Index: 160 scientists 48 D-Index: 134 scientists 49 D-Index: 130 scientists 50 D-Index: 141 scientists 51 D-Index: 156 scientists 52 D-Index: 108 scientists 53 D-Index: 130 scientists 54 D-Index: 112 scientists 55 D-Index: 97 scientists 56 D-Index: 111 scientists 57 D-Index: 102 scientists 58 D-Index: 108 scientists 59 D-Index: 120 scientists 60 D-Index: 103 scientists 61 D-Index: 93 scientists 62 D-Index: 92 scientists 63 D-Index: 74 scientists 64 D-Index: 77 scientists 65 D-Index: 73 scientists 66 D-Index: 64 scientists 67 D-Index: 69 scientists 68 D-Index: 60 scientists 69 D-Index: 39 scientists 70 D-Index: 57 scientists 71 D-Index: 59 scientists 72 D-Index: 46 scientists 73 D-Index: 49 scientists 74 D-Index: 38 scientists 75 D-Index: 35 scientists 76 D-Index: 32 scientists 77 D-Index: 35 scientists 78 D-Index: 31 scientists 79 D-Index: 22 scientists 80 D-Index: 34 scientists 81 D-Index: 31 scientists 82 D-Index: 34 scientists 83 D-Index: 23 scientists 84 D-Index: 18 scientists 85 D-Index: 30 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 20 scientists 89 D-Index: 8 scientists 90 D-Index: 17 scientists 91 D-Index: 7 scientists 92 D-Index: 14 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 12 scientists 97 D-Index: 10 scientists 98 D-Index: 10 scientists 99 D-Index: 12 scientists 100 D-Index: 16 scientists 101 D-Index: 5 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 8 scientists 105 D-Index: 9 scientists 106 D-Index: 13 scientists 107 D-Index: 4 scientists 108 D-Index: 5 scientists 109 D-Index: 10 scientists 110 D-Index: 8 scientists 111+ D-Index: 96 scientists
30 D-Index 111+

This scientist: 44 D-Index — 47th percentile

47% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 111 D-Index or more.

Research.com Recognitions

  • 1998 - Fellow of the Royal Society of Canada Academy of Science
  • 1988 - IEEE Fellow For contributions to the analysis of electromagnetic problems in antenna design.
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering

Overview

Lotfollah Shafai is affiliated with the University of Manitoba in Canada and specializes in engineering, with a focus on aerospace engineering and electrical and electronic engineering. Their research contributions span several subfields including civil and structural engineering as well as atomic and molecular physics and optics.

The main topics of Shafai's work include:

  • Antenna Design and Analysis
  • Microwave Engineering and Waveguides
  • Advanced Antenna and Metasurface Technologies
  • Antenna Design and Optimization
  • Structural Analysis and Optimization
  • Gyrotron and Vacuum Electronics Research
  • Radio Frequency Integrated Circuit Design

Shafai's recent publications demonstrate a consistent engagement with antenna and propagation technologies. Notable papers include:

  • "Improving Compact Short Backfire Antenna Gain and Cross-Polarization Using Choke and Ring Cavity Loading" (2022) published in IEEE Transactions on Antennas and Propagation
  • "A Ku-Band Compact Offset Cylindrical Reflector Antenna with High Gain for Low-Earth Orbit Sensing Applications" (2024) in Sensors
  • "Wideband Dual-Polarized Octagonal Cavity-Backed Antenna with Low Cross-Polarization and High Aperture Efficiency" (2023) in Sensors
  • "Split Ring Antennas and Their Application for Antenna Miniaturization" (2023) in Sensors
  • "Gain Enhancement and Cross-Polarization Suppression of Cavity-Backed Antennas Using a Flared Ground Cavity and Iris" (2023) in Sensors

The frequent publication venues for Shafai indicate a focus on Sensors and IEEE journals relating to antennas and propagation:

  • Sensors
  • IEEE Transactions on Antennas and Propagation
  • IEEE Open Journal of Antennas and Propagation
  • IEEE Antennas and Propagation Magazine

Collaboration is a significant aspect of Shafai's research activities. Frequent co-authors include:

  • Dustin Isleifson
  • Yanxia Liu
  • Cyrus Shafai
  • Bashar A. F. Esmail
  • Amirbahador Mansoori

Throughout their career, Shafai has received professional recognition including being named a Fellow of the Royal Society of Canada in 1998, with affiliation to the Academy of Science. They were also designated as an IEEE Fellow in 1988 for contributions to the analysis of electromagnetic problems in antenna design. Additionally, Shafai is associated with The Canadian Academy of Engineering.

Best Publications

  • Bandwidth enhancement and size reduction of microstrip slot antennas

    S.I. Latif;L. Shafai;S.K. Sharma

  • Plane wave coupling to multiple conductor transmission lines above a lossy earth

    G.E.J. Bridges;L. Shafai

  • Investigation Into the Effects of the Patch-Type FSS Superstrate on the High-Gain Cavity Resonance Antenna Design

    A. Foroozesh;L. Shafai

  • Multiple phase center feedhorn for reflector antenna

    Bhashyam Balaji;Anthony Damini;George E. Haslam;Lotfollah Shafai

  • Dielectric Loaded Antennas

    L. Shafai

  • Dual-band dual-polarized perforated microstrip antennas for SAR applications

    L.L. Shafai;W.A. Chamma;M. Barakat;P.C. Strickland

  • Investigation of wide-band microstrip slot antenna

    S.K. Sharma;L. Shafai;N. Jacob

  • Different formulations for numerical solution of single or multibodies of revolution with mixed boundary conditions

    A. Kishk;L. Shafai

  • A Wideband Microwave Tomography System With a Novel Frequency Selection Procedure

    C. Gilmore;P. Mojabi;A. Zakaria;M. Ostadrahimi

  • Investigation Into the Application of Artificial Magnetic Conductors to Bandwidth Broadening, Gain Enhancement and Beam Shaping of Low Profile and Conventional Monopole Antennas

    A Foroozesh;L Shafai

  • Improving microstrip patch antenna performance using EBG substrates

    D. Qu;L. Shafai;A. Foroozesh

  • The effect of various parameters of circular microstrip antennas on their radiation efficiency and the mode excitation

    A. Kishk;L. Shafai

  • Broadband microstrip patch antenna with V-slot

    Gh. Rafi;L. Shafai

  • Dispersion analysis of anisotropic inhomogeneous waveguides using compact 2D-FDTD

    A. Asi;L. Shafai

  • Characteristics of single- and double-layer microstrip square-ring antennas

    Unknown

  • Control of microstrip antenna radiation characteristics by ground plane size and shape

    Unknown

  • Filter-Antenna Module Using Substrate Integrated Waveguide Cavities

    Omar A. Nova;Juan C. Bohorquez;Nestor M. Pena;Greg E. Bridges

  • Directional switched beam antenna

    Lotfollah Shafai

  • X-Band Tunable Frequency Selective Surface Using MEMS Capacitive Loads

    Mojtaba Safari;Cyrus Shafai;Lotfollah Shafai

  • Performance of a Novel $\Psi$ -Shape Microstrip Patch Antenna With Wide Bandwidth

    Unknown

  • Handbook of Reflector Antennas and Feed Systems Volume III: Applications of Reflectors

    Sudhakar Rao;Lotfollah Shafai;Satish Sharma

  • Gain and radiation pattern enhancement of balanced antipodal Vivaldi antenna

    K. Kota;L. Shafai

  • Printed Antennas for Wireless Communications

    Satish K. Sharma;Lotfollah Shafai

Frequent Co-Authors

Joe LoVetri
Joe LoVetri University of Manitoba
Ahmed A. Kishk
Ahmed A. Kishk Concordia University
David G. Barber
David G. Barber University of Manitoba
Mojgan Daneshmand
Mojgan Daneshmand University of Alberta
Pedram Mousavi
Pedram Mousavi University of Alberta
Alexandre Langlois
Alexandre Langlois Université de Sherbrooke
Girish Kumar
Girish Kumar Indian Institute of Technology Bombay
Heli Jantunen
Heli Jantunen University of Oulu
Makoto Ando
Makoto Ando Keio University
Per-Simon Kildal
Per-Simon Kildal Chalmers University of Technology

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