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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 60 1662 1591 82 79 419 12279

W.A. Clarkson publications per year

The chart shows the history of publications by W.A. Clarkson between 1989 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. W.A. Clarkson published across 37 years, from 1989 to 2025, averaging 12.6 papers a year. Output peaked at 30 publications in 2004. 13 of the 466 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1989 to 2025. Vertical axis: number of publications, 0 to 30. Peak 30 publications in 2004. 1989: 4 publications 1990: 1 publication 1991: 4 publications 1992: 5 publications 1993: 6 publications 1994: 7 publications 1995: 10 publications 1996: 24 publications 1997: 26 publications 1998: 26 publications 1999: 15 publications 2000: 9 publications 2001: 19 publications 2002: 4 publications 2003: 17 publications 2004: 30 publications 2005: 19 publications 2006: 20 publications 2007: 16 publications 2008: 15 publications 2009: 15 publications 2010: 13 publications 2011: 11 publications 2012: 9 publications 2013: 12 publications 2014: 20 publications 2015: 20 publications 2016: 16 publications 2017: 14 publications 2018: 4 publications 2019: 19 publications 2020: 3 publications 2021: 5 publications 2022: 9 publications 2023: 6 publications 2024: 2 publications 2025: 11 publications
1989 2025

466 publications in total across all disciplines

View publications per year as a table
W.A. Clarkson: publications per year, 1989 to 2025
Year Publications
1989 4
1990 1
1991 4
1992 5
1993 6
1994 7
1995 10
1996 24
1997 26
1998 26
1999 15
2000 9
2001 19
2002 4
2003 17
2004 30
2005 19
2006 20
2007 16
2008 15
2009 15
2010 13
2011 11
2012 9
2013 12
2014 20
2015 20
2016 16
2017 14
2018 4
2019 19
2020 3
2021 5
2022 9
2023 6
2024 2
2025 11
Total 466
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W.A. Clarkson 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 W.A. Clarkson 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, 414–433 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: 419 publications — 77th percentile

77% 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
414–433 169 419
434–453 147
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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W.A. Clarkson 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 W.A. Clarkson 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, 60 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: 60 D-Index — 77th percentile

77% 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
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 60
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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Research.com Recognitions

  • 2006 - OSA Fellows For pioneering contributions to solid-state lasers and fiber lasers, particularly in techniques for scaling their power and brightness.

Overview

W.A. Clarkson is affiliated with the University of Southampton in the United Kingdom and has a significant research footprint spanning engineering, medicine, and physics and astronomy. Their work focuses primarily on electrical and electronic engineering, atomic and molecular physics and optics, physiology, cell biology, and cardiology and cardiovascular medicine.

Their research covers several main topics, including:

  • Advanced Fiber Laser Technologies
  • Photonic Crystal and Fiber Optics
  • Muscle Metabolism and Nutrition
  • Adipose Tissue and Metabolism
  • Advanced Fiber Optic Sensors
  • Solid State Laser Technologies
  • Orbital Angular Momentum in Optics

W.A. Clarkson has published extensively in various academic venues. These include:

  • Circulation
  • Optics Letters
  • Applied Physics B
  • Journal of the Optical Society of America B
  • EPJ Web of Conferences

Among their recent papers are:

  • "Nested-ring doping for highly efficient 1907 nm short-wavelength cladding-pumped thulium fiber lasers," 2020, Optics Letters
  • "Actively Q switched radially polarized Ho:YAG laser with an intra-cavity laser-written S-waveplate," 2022, Optics Letters
  • "Simple method for determining quantum efficiency and background propagation loss in thulium-doped fibres," 2023, Applied Physics B
  • "Radially polarized 33 W emission from a double-pass Ho:YAG thin-slab amplifier," 2022, Journal of the Optical Society of America B
  • "Monolithic highly efficient 272 W nested-ring structured-core thulium fiber laser at 1940 nm," 2025, Optics Letters

Clarkson's frequent co-authors include:

  • Jacob L. Barber
  • Mark A. Sarzynski
  • Claude Bouchard
  • P. C. Shardlow
  • Jeremy Robbins

In recognition of their contributions to their field, W.A. Clarkson was named an OSA Fellow in 2006. This award specifically cited pioneering contributions to solid-state lasers and fiber lasers, with a particular focus on techniques for scaling their power and brightness.

Best Publications

  • High power fiber lasers: current status and future perspectives [Invited]

    D. J. Richardson;J. Nilsson;W. A. Clarkson

  • High power fiber lasers

    J. Nilsson;J.K. Sahu;Y. Jeong;V.N. Philippov

  • Two-mirror beam-shaping technique for high-power diode bars

    W.A. Clarkson;D.C. Hanna

  • Thermal effects and their mitigation in end-pumped solid-state lasers

    W A Clarkson

  • High-energy, high-power ytterbium-doped Q-switched fiber laser

    J A Alvarez-Chavez;H L Offerhaus;J Nilsson;P W Turner

  • Energy-transfer upconversion and thermal lensing in high-power end-pumped Nd:YLF laser crystals

    P.J. Hardman;W.A. Clarkson;G.J. Friel;M. Pollnau

  • Upconversion-induced heat generation and thermal lensing in Nd:YLF and Nd:YAG

    Markus Pollnau;P.J. Hardman;M.A. Kern;W.A. Clarkson

  • Characteristics of Q-switched cladding-pumped ytterbium-doped fiber lasers with different high-energy fiber designs

    C.C. Ranaud;H.L. Offerhaus;J.A. Alvarez-Chavez;C.J. Nilsson

  • High-power cladding-pumped Tm-doped silica fiber laser with wavelength tuning from 1860 to 2090 nm

    W. A. Clarkson;N. P. Barnes;P. W. Turner;J. Nilsson

  • Highly efficient in-band pumped Er:YAG laser with 60 W of output at 1645 nm

    D. Y. Shen;J. K. Sahu;W. A. Clarkson

  • High-power wavelength-tunable cladding-pumped rare-earth-doped silica fiber lasers

    J. Nilsson;W.A. Clarkson;R. Selvas;J.K. Sahu

  • Compact diode-pumped passively Q-switched tunable Er-Yb double-clad fiber laser.

    M. Laroche;A. M. Chardon;J. Nilsson;D. P. Shepherd

  • Apparatus for providing optical radiation

    William Andrew Clarkson;David Neil Payne;Malcolm Paul Varnham;Mikhail Nicholaos Zervas

  • High-power and tunable operation of erbium-ytterbium Co-doped cladding-pumped fiber lasers

    J. Nilsson;S.-U. Alam;J.A. Alvarez-Chavez;P.W. Turner

  • Generation of high-power blue light in periodically poled LiNbO 3

    G.W. Ross;M. Pollnau;P.G.R. Smith;W.A. Clarkson

  • Power scaling strategy for longitudinally diode-pumped Tm:YLF lasers

    S. So;J.I. Mackenzie;D.P. Shepherd;W.A. Clarkson

  • Efficient Ho:YAG laser pumped by a cladding-pumped tunable Tm:silica-fibre laser

    D.Y. Shen;A. Abdolvand;L.J. Cooper;W.A. Clarkson

  • 49 mW of cw blue light generated by first-order quasi-phase-matched frequency doubling of a diode-pumped 946-nm Nd:YAG laser.

    V. Pruneri;R. Koch;P.G. Kazansky;W.A. Clarkson

  • 230 mW of blue light from a thulium-doped upconversion fiber laser

    R. Paschotta;N. Moore;W.A. Clarkson;A.C. Tropper

  • High-power widely tunable Tm:fibre lasers pumped by an Er,Yb co-doped fibre laser at 1.6 mum.

    D.Y. Shen;Jayanta Sahu;W.A. Clarkson

  • Efficient cladding-pumped Tm-doped silica fibre laser with high power singlemode output at 2 /spl mu/m

    R.A. Hayward;W.A. Clarkson;P.W. Turner;J. Nilsson

Frequent Co-Authors

Jayanta K. Sahu
Jayanta K. Sahu University of Southampton
Johan Nilsson
Johan Nilsson University of Southampton
David J. Richardson
David J. Richardson Microsoft (United States)
Morten Ibsen
Morten Ibsen University of Southampton
Yoonchan Jeong
Yoonchan Jeong Seoul National University
Anne C. Tropper
Anne C. Tropper University of Southampton
Peter G. Kazansky
Peter G. Kazansky University of Southampton
Markus Pollnau
Markus Pollnau University of Surrey
Yongmin Jung
Yongmin Jung University of Southampton
Cyril C. Renaud
Cyril C. Renaud University College London

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