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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Electronics and Electrical Engineering 39 4660 4473 22 22 448 6980

Elfed Lewis publications per year

The chart shows the history of publications by Elfed Lewis between 1987 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Elfed Lewis published across 39 years, from 1987 to 2025, averaging 12.7 papers a year. Output peaked at 47 publications in 2018. 26 of the 496 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1987 to 2025. Vertical axis: number of publications, 0 to 47. Peak 47 publications in 2018. 1987: 1 publication 1988: 0 publications 1989: 1 publication 1990: 0 publications 1991: 0 publications 1992: 0 publications 1993: 0 publications 1994: 2 publications 1995: 3 publications 1996: 3 publications 1997: 1 publication 1998: 0 publications 1999: 0 publications 2000: 3 publications 2001: 6 publications 2002: 6 publications 2003: 14 publications 2004: 13 publications 2005: 27 publications 2006: 13 publications 2007: 31 publications 2008: 19 publications 2009: 27 publications 2010: 16 publications 2011: 23 publications 2012: 15 publications 2013: 21 publications 2014: 26 publications 2015: 25 publications 2016: 18 publications 2017: 28 publications 2018: 47 publications 2019: 32 publications 2020: 23 publications 2021: 8 publications 2022: 10 publications 2023: 8 publications 2024: 16 publications 2025: 10 publications
1987 2025

496 publications in total across all disciplines

View publications per year as a table
Elfed Lewis: publications per year, 1987 to 2025
Year Publications
1987 1
1988 0
1989 1
1990 0
1991 0
1992 0
1993 0
1994 2
1995 3
1996 3
1997 1
1998 0
1999 0
2000 3
2001 6
2002 6
2003 14
2004 13
2005 27
2006 13
2007 31
2008 19
2009 27
2010 16
2011 23
2012 15
2013 21
2014 26
2015 25
2016 18
2017 28
2018 47
2019 32
2020 23
2021 8
2022 10
2023 8
2024 16
2025 10
Total 496
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Elfed Lewis 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 Elfed Lewis sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 53 bars. Horizontal axis: publications, 34–53 to 1,065+. Vertical axis: number of scientists, 0 to 445. Most scientists, 445, have 174–193 publications. The last bar groups every scientist with 1,065 publications or more. The highlighted bar, 434–453 publications, is where this scientist sits. 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
34–53 publications 1,065+

This scientist: 448 publications — 80th percentile

80% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Electronics and Electrical Engineering scientists by publication count, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
Publications Scientists This scientist
34–53 24
54–73 52
74–93 114
94–113 203
114–133 269
134–153 355
154–173 403
174–193 445
194–213 430
214–233 431
234–253 399
254–273 366
274–293 335
294–313 300
314–333 276
334–353 250
354–373 214
374–393 187
394–413 152
414–433 169
434–453 147 448
454–473 111
474–493 117
494–513 103
514–533 99
534–553 92
554–573 75
574–593 58
594–613 69
614–633 50
634–653 62
654–673 54
674–693 44
694–713 37
714–733 28
734–753 26
754–773 26
774–793 19
794–813 23
814–833 20
834–853 16
854–873 20
874–893 11
894–913 11
914–933 16
934–953 13
954–973 10
974–993 11
994–1,013 9
1,014–1,033 9
1,034–1,053 10
1,054–1,064 6
1,065+ 99
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Elfed Lewis 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 Elfed Lewis sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 82 bars. Horizontal axis: D-Index, 30 to 111+. Vertical axis: number of scientists, 0 to 263. Most scientists, 263, have 32 D-Index. The last bar groups every scientist with 111 D-Index or more. The highlighted bar, 39 D-Index, is where this scientist sits. 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: 39 D-Index — 33rd percentile

33% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Electronics and Electrical Engineering scientists by D-index, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
D-Index Scientists This scientist
30 178
31 257
32 263
33 262
34 244
35 236
36 211
37 220
38 214
39 214 39
40 205
41 187
42 194
43 201
44 155
45 189
46 148
47 160
48 134
49 130
50 141
51 156
52 108
53 130
54 112
55 97
56 111
57 102
58 108
59 120
60 103
61 93
62 92
63 74
64 77
65 73
66 64
67 69
68 60
69 39
70 57
71 59
72 46
73 49
74 38
75 35
76 32
77 35
78 31
79 22
80 34
81 31
82 34
83 23
84 18
85 30
86 19
87 19
88 20
89 8
90 17
91 7
92 14
93 9
94 15
95 10
96 12
97 10
98 10
99 12
100 16
101 5
102 7
103 7
104 8
105 9
106 13
107 4
108 5
109 10
110 8
111+ 96
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Overview

Elfed Lewis is affiliated with the University of Limerick in Ireland and has a research focus centered on engineering, particularly in the electrical and electronic engineering subfield. Their work spans several interdisciplinary areas including atomic and molecular physics, optics, biomedical engineering, and radiology, nuclear medicine, and imaging.

The scientist's research contributions primarily explore topics such as advanced fiber optic sensors, photonic and optical devices, and photonic crystal and fiber optics. Additional areas of focus include advanced radiotherapy techniques, advanced fiber laser technologies, radiation detection and scintillator technologies, and medical imaging techniques and applications.

Frequent publication venues for Elfed Lewis include the Journal of Lightwave Technology, Optics Letters, Optical Fiber Technology, Sensors, and Sensors and Actuators A Physical. The number of publications distributed among these venues reflects a consistent output in these domains.

Among recent papers authored or co-authored by Lewis are:

  • A Review of Optical Fibre Ethanol Sensors: Current State and Future Prospects, 2022, Sensors
  • Novel layered 2D materials for ultrafast photonics, 2020, Nanophotonics
  • Simultaneous measurement of displacement and temperature based on two cascaded balloon-like bent fibre structures, 2020, Optical Fiber Technology
  • Miniature Fabry-Perot interferometer based on a movable microsphere reflector, 2020, Optics Letters
  • Ultra-compact in-core-parallel-written FBG and Mach-Zehnder interferometer for simultaneous measurement of strain and temperature, 2021, Optics Letters

Lewis frequently collaborates with other researchers, with the most common co-authors being Pengfei Wang, Weimin Sun, Gerald Farrell, Ke Tian, and Qieming Shi. These collaborations have been substantial, indicating an active involvement in research teams.

Best Publications

  • Fiber Optic Sensors for Temperature Monitoring during Thermal Treatments: An Overview

    Emiliano Schena;Daniele Tosi;Paola Saccomandi;Elfed Lewis

  • Optical Fibre Pressure Sensors in Medical Applications

    Sven Poeggel;Daniele Tosi;Dinesh Babu Duraibabu;Gabriel Leen

  • A comparative review of wireless sensor network mote technologies

    Michael Johnson;Michael Healy;Pepijn van de Ven;Martin J. Hayes

  • Novel optical fiber SPR temperature sensor based on MMF-PCF-MMF structure and gold-PDMS film.

    Yong Wang;Qing Huang;Wenjie Zhu;Minghong Yang

  • Wireless Sensor Node hardware: A review

    M. Healy;T. Newe;E. Lewis

  • A review of recent advances in optical fibre sensors for in vivo dosimetry during radiotherapy

    Sinéad O'Keeffe;Denis McCarthy;Peter Woulfe;M.W.D. Grattan

  • A novel technique for optical fiber pH sensing based on methylene blue adsorption

    B.J.-C. Deboux;E. Lewis;P.J. Scully;R. Edwards

  • A review of optical fibre radiation dosimeters

    S. O'Keeffe;C. Fitzpatrick;E. Lewis;A.I. Al‐Shamma'a

  • Detection of carbon dioxide emissions from a diesel engine using a mid-infrared optical fibre based sensor

    Jim Mulrooney;John Clifford;Colin Fitzpatrick;Elfed Lewis

  • Fiber-optic chirped FBG for distributed thermal monitoring of ex-vivo radiofrequency ablation of liver

    Daniele Tosi;Edoardo Gino Macchi;Mario Gallati;Giovanni Braschi

  • Feedback Stabilized Interrogation Technique for EFPI/FBG Hybrid Fiber-Optic Pressure and Temperature Sensors

    K. Bremer;E. Lewis;G. Leen;B. Moss

  • Real-time fibre optic radiation dosimeters for nuclear environment monitoring around thermonuclear reactors

    A. Fernandez Fernandez;B. Brichard;S. O’Keeffe;C. Fitzpatrick

  • Intensity‐modulated fiber optic sensor for health monitoring applications: a comparative review

    Mohd Anwar Zawawi;Sinead O'Keffe;Elfed Lewis

  • A Review of Optical Fibre Ethanol Sensors: Current State and Future Prospects

    Unknown

  • Security for wireless sensor networks: A review

    Michael Healy;Thomas Newe;Elfed Lewis

  • Radiation Dosimeter Using an Extrinsic Fiber Optic Sensor

    Denis McCarthy;Sinad O'Keeffe;Elfed Lewis;Dan G. Sporea

  • Simultaneous Measurement of Displacement and Temperature Based on a Balloon-Shaped Bent SMF Structure Incorporating an LPG

    Ke Tian;Gerald Farrell;Wenlei Yang;Xianfan Wang

  • Monitoring of radiofrequency thermal ablation in liver tissue through fibre Bragg grating sensors array

    D. Tosi;E.G. Macchi;G. Braschi;M. Gallati

  • A Curvature Sensor Based on Twisted Single-Mode–Multimode–Single-Mode Hybrid Optical Fiber Structure

    Ke Tian;Yifan Xin;Wenlei Yang;Tao Geng

  • A Humidity Sensor Based on a Singlemode-Side Polished Multimode–Singlemode Optical Fibre Structure Coated with Gelatin

    Xianfan Wang;Gerald Farrell;Elfed Lewis;Ke Tian

  • An optical fibre based ultra violet and visible absorption spectroscopy system for ozone concentration monitoring

    S. O’Keeffe;C. Fitzpatrick;E. Lewis

  • Selective doping of Ni 2+ in highly transparent glass-ceramics containing nano-spinels ZnGa 2 O 4 and Zn 1+x Ga 2−2x Ge x O 4 for broadband near-infrared fiber amplifiers

    Zhigang Gao;Yinyao Liu;Jing Ren;Jing Ren;Zaijin Fang

  • Underwater Depth and Temperature Sensing Based on Fiber Optic Technology for Marine and Fresh Water Applications.

    Dinesh Babu Duraibabu;Gabriel Leen;Daniel Toal;Thomas Newe

  • Combining principal component analysis with an artificial neural network to perform online quality assessment of food as it cooks in a large-scale industrial oven

    M. O’Farrell;E. Lewis;C. Flanagan;W.B. Lyons

Frequent Co-Authors

Pengfei Wang
Pengfei Wang Harbin Engineering University
Daniele Tosi
Daniele Tosi Nazarbayev University
Gerald Farrell
Gerald Farrell Technological University Dublin
Tong Sun
Tong Sun City, University of London
Kenneth T. V. Grattan
Kenneth T. V. Grattan City, University of London
Libo Yuan
Libo Yuan Harbin Engineering University
Sulaiman Wadi Harun
Sulaiman Wadi Harun University of Malaya
Gilberto Brambilla
Gilberto Brambilla University of Southampton
Emiliano Schena
Emiliano Schena Università Campus Bio-Medico
Paola Saccomandi
Paola Saccomandi Polytechnic University of Milan

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