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Manfred Thumm

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Electronics and Electrical Engineering 67 1091 1040 27 27 1142 16421

Manfred Thumm publications per year

The chart shows the history of publications by Manfred Thumm between 1973 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Manfred Thumm published across 53 years, from 1973 to 2025, averaging 24.4 papers a year. Output peaked at 80 publications in 2013. 42 of the 1,294 publications appeared in the last two years.

No. of publications
20 40 60 80
Bar chart. Horizontal axis: year, 1973 to 2025. Vertical axis: number of publications, 0 to 80. Peak 80 publications in 2013. 1973: 1 publication 1974: 1 publication 1975: 0 publications 1976: 3 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 1 publication 1981: 2 publications 1982: 0 publications 1983: 3 publications 1984: 6 publications 1985: 7 publications 1986: 7 publications 1987: 3 publications 1988: 2 publications 1989: 6 publications 1990: 5 publications 1991: 6 publications 1992: 3 publications 1993: 11 publications 1994: 4 publications 1995: 17 publications 1996: 13 publications 1997: 13 publications 1998: 18 publications 1999: 22 publications 2000: 26 publications 2001: 27 publications 2002: 35 publications 2003: 45 publications 2004: 58 publications 2005: 38 publications 2006: 53 publications 2007: 58 publications 2008: 68 publications 2009: 48 publications 2010: 40 publications 2011: 40 publications 2012: 56 publications 2013: 80 publications 2014: 46 publications 2015: 35 publications 2016: 50 publications 2017: 68 publications 2018: 54 publications 2019: 54 publications 2020: 30 publications 2021: 29 publications 2022: 34 publications 2023: 26 publications 2024: 19 publications 2025: 23 publications
1973 2025

1,294 publications in total across all disciplines

View publications per year as a table
Manfred Thumm: publications per year, 1973 to 2025
Year Publications
1973 1
1974 1
1975 0
1976 3
1977 0
1978 0
1979 0
1980 1
1981 2
1982 0
1983 3
1984 6
1985 7
1986 7
1987 3
1988 2
1989 6
1990 5
1991 6
1992 3
1993 11
1994 4
1995 17
1996 13
1997 13
1998 18
1999 22
2000 26
2001 27
2002 35
2003 45
2004 58
2005 38
2006 53
2007 58
2008 68
2009 48
2010 40
2011 40
2012 56
2013 80
2014 46
2015 35
2016 50
2017 68
2018 54
2019 54
2020 30
2021 29
2022 34
2023 26
2024 19
2025 23
Total 1,294
Download as CSV

Manfred Thumm 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 Manfred Thumm 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, 1,065+ 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: 1,142 publications — 99th percentile

99% 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
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 1,142
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Manfred Thumm 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 Manfred Thumm 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, 67 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: 67 D-Index — 85th percentile

85% 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
61 93
62 92
63 74
64 77
65 73
66 64
67 69 67
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
Download as CSV

Research.com Recognitions

  • 2002 - IEEE Fellow For contributions to the development and application of gyrotron oscillators, oversized microwave mode converters and transmission line components.

Overview

Manfred Thumm is affiliated with the Karlsruhe Institute of Technology in Germany and conducts research primarily in the fields of Engineering and Physics and Astronomy. Their work spans several subfields including Atomic and Molecular Physics, and Optics; Electrical and Electronic Engineering; Aerospace Engineering; Nuclear and High Energy Physics; and Control and Systems Engineering.

Their research mainly focuses on topics such as Gyrotron and Vacuum Electronics Research, Particle accelerators and beam dynamics, Microwave Engineering and Waveguides, Magnetic confinement fusion research, Pulsed Power Technology Applications, Plasma Diagnostics and Applications, and Superconducting Materials and Applications.

Manfred Thumm has published extensively in a range of scientific journals and conferences. Frequent publication venues include:

  • Journal of Infrared Millimeter and Terahertz Waves
  • IEEE Transactions on Electron Devices
  • Fusion Engineering and Design
  • Physics of Plasmas
  • 2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz)

Some of their recent scientific papers are:

  • State-of-the-Art of High-Power Gyro-Devices and Free Electron Masers, 2020, Journal of Infrared Millimeter and Terahertz Waves
  • Status and future development of Heating and Current Drive for the EU DEMO, 2022, Fusion Engineering and Design
  • Towards a 1.5 MW, 140 GHz gyrotron for the upgraded ECRH system at W7-X, 2021, Fusion Engineering and Design
  • Towards large area CVD diamond disks for Brewster-angle windows, 2020, Fusion Engineering and Design
  • Generation of 1.5 MW-140 GHz Pulses With the Modular Pre-Prototype Gyrotron for W7-X, 2021, IEEE Electron Device Letters

Manfred Thumm collaborates frequently with fellow researchers including John Jelonnek, S. Illy, G. Gantenbein, Konstantinos A. Avramidis, and Tobias Ruess.

The scientist has contributed to book publications with titles such as State-of-the-Art of High-Power Gyro-Devices. Update of Experimental Results 2021. (KIT Scientific Reports; 7761) published by Karlsruhe Institute of Technology in 2021, and Surface Flute Waves in Plasmas published by Springer Nature in 2022.

In 2002, Manfred Thumm received the IEEE Fellow award, recognized for contributions to the development and application of gyrotron oscillators, oversized microwave mode converters, and transmission line components.

Best Publications

  • Gyrotrons: High-Power Microwave and Millimeter Wave Technology

    M. V. Kartikeyan;E. Borie;M. K. A. Thumm

  • State-of-the-Art of High-Power Gyro-Devices and Free Electron Masers

    Manfred Thumm

  • Passive high-power microwave components

    M.K. Thumm;W. Kasparek

  • The Gyrotron at 50: Historical Overview

    Gregory S. Nusinovich;Manfred K. A. Thumm;Michael I. Petelin

  • Overview of first Wendelstein 7-X high-performance operation

    T. Klinger;T. Klinger;T. Andreeva;S. Bozhenkov;C. Brandt

  • Electron Cyclotron Heating for W7-X: Physics and Technology

    V. Erckmann;P. Brand;H. Braune;G. Dammertz

  • High-power millimetre-wave mode converters in overmoded circular waveguides using periodic wall perturbations

    M. Thumm

  • Theory of Nonuniform Waveguides: The cross-section method

    B. Z. Katsenelenbaum;L. Mercader del Rio;M. Pereyaslavets;M. Sorolla Ayza

  • A 2 MW, 170 GHz coaxial cavity gyrotron

    B. Piosczyk;H. Budig;G. Dammertz;O. Dumbrajs

  • Initial operation of the Wendelstein 7AS advanced stellarator

    H Renner;E Anabitarte;E Ascasibar;S Besshou

  • 2.2-MW Record Power of the 170-GHz European Preprototype Coaxial-Cavity Gyrotron for ITER

    Tomasz Rzesnicki;Bernhard Piosczyk;Stefan Kern;Stefan Illy

  • High-power gyrotrons for electron cyclotron heating and current drive

    Manfred Thumm;G. G. Denisov;Keishi Sakamoto;Minh Quang Tran

  • Bragg reflectors

    C.K. Chong;D.B. McDermott;M.M. Razeghi;N.C. Luhmann

  • Development of a 140-GHz 1-MW continuous wave gyrotron for the W7-X stellarator

    G. Dammertz;S. Alberti;A. Arnold;E. Borie

  • Recent Advances in the Worldwide Fusion Gyrotron Development

    Manfred Thumm

  • Frequency step-tunable (114–170 GHz) megawatt gyrotrons for plasma physics applications

    Manfred Thumm;Manfred Thumm;Andreas Arnold;Andreas Arnold;Edith Borie;Oliver Braz;Oliver Braz

  • CVD diamond windows studied with low- and high-power millimeter waves

    R. Heidinger;G. Dammertz;A. Meier;M.K. Thumm

  • High Power Gyro-Devices for Plasma Heating and Other Applications

    Manfred Thumm;Manfred Thumm

  • MW gyrotron development for fusion plasma applications

    Manfred Thumm

  • Novel Applications of Millimeter and Submillimeter Wave Gyro-Devices

    Manfred Thumm;Manfred Thumm

  • EU megawatt-class 140 GHZ CW gyrotron

    M. Thumm;S. Alberti;A. Arnold;P. Brand

Frequent Co-Authors

H. Zohm
H. Zohm Max Planck Institute for Plasma Physics
Adrian W. Cross
Adrian W. Cross University of Strathclyde

External Links

Personal website of Manfred Thumm Google Scholar page

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Best Scientists Citing Manfred Thumm

Adrian W. Cross

Adrian W. Cross

University of Strathclyde

Publications: 57

Richard J. Temkin

Richard J. Temkin

MIT

Publications: 51

Gregory S. Nusinovich

Gregory S. Nusinovich

University of Maryland, College Park

Publications: 50

Wenlong He

Wenlong He

Shenzhen University

Publications: 43

Michael A. Shapiro

Michael A. Shapiro

MIT

Publications: 36

Thomas M. Antonsen

Thomas M. Antonsen

University of Maryland, College Park

Publications: 33

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