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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Mechanical and Aerospace Engineering 35 2735 2566 950 842 130 3744

Thomas Bradley publications per year

The chart shows the history of publications by Thomas Bradley between 1986 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Thomas Bradley published across 40 years, from 1986 to 2025, averaging 4.9 papers a year. Output peaked at 26 publications in 2021. 23 of the 195 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1986 to 2025. Vertical axis: number of publications, 0 to 26. Peak 26 publications in 2021. 1986: 1 publication 1987: 1 publication 1988: 1 publication 1989: 1 publication 1990: 0 publications 1991: 0 publications 1992: 1 publication 1993: 0 publications 1994: 0 publications 1995: 0 publications 1996: 0 publications 1997: 0 publications 1998: 0 publications 1999: 0 publications 2000: 0 publications 2001: 0 publications 2002: 0 publications 2003: 0 publications 2004: 0 publications 2005: 0 publications 2006: 0 publications 2007: 0 publications 2008: 0 publications 2009: 0 publications 2010: 1 publication 2011: 1 publication 2012: 10 publications 2013: 15 publications 2014: 9 publications 2015: 10 publications 2016: 14 publications 2017: 8 publications 2018: 7 publications 2019: 22 publications 2020: 19 publications 2021: 26 publications 2022: 17 publications 2023: 8 publications 2024: 10 publications 2025: 13 publications
1986 2025

195 publications in total across all disciplines

View publications per year as a table
Thomas Bradley: publications per year, 1986 to 2025
Year Publications
1986 1
1987 1
1988 1
1989 1
1990 0
1991 0
1992 1
1993 0
1994 0
1995 0
1996 0
1997 0
1998 0
1999 0
2000 0
2001 0
2002 0
2003 0
2004 0
2005 0
2006 0
2007 0
2008 0
2009 0
2010 1
2011 1
2012 10
2013 15
2014 9
2015 10
2016 14
2017 8
2018 7
2019 22
2020 19
2021 26
2022 17
2023 8
2024 10
2025 13
Total 195
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Thomas Bradley publication distribution in Mechanical and Aerospace Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Mechanical and Aerospace Engineering in 2026. The highlighted bar marks where Thomas Bradley sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 63 bars. Horizontal axis: publications, 47–56 to 659+. Vertical axis: number of scientists, 0 to 155. Most scientists, 155, have 147–156 publications. The last bar groups every scientist with 659 publications or more. The highlighted bar, 127–136 publications, is where this scientist sits. 47–56 publications: 10 scientists 57–66 publications: 23 scientists 67–76 publications: 32 scientists 77–86 publications: 62 scientists 87–96 publications: 67 scientists 97–106 publications: 91 scientists 107–116 publications: 113 scientists 117–126 publications: 115 scientists 127–136 publications: 130 scientists 137–146 publications: 140 scientists 147–156 publications: 155 scientists 157–166 publications: 132 scientists 167–176 publications: 133 scientists 177–186 publications: 130 scientists 187–196 publications: 140 scientists 197–206 publications: 115 scientists 207–216 publications: 125 scientists 217–226 publications: 117 scientists 227–236 publications: 99 scientists 237–246 publications: 92 scientists 247–256 publications: 100 scientists 257–266 publications: 95 scientists 267–276 publications: 88 scientists 277–286 publications: 77 scientists 287–296 publications: 74 scientists 297–306 publications: 74 scientists 307–316 publications: 62 scientists 317–326 publications: 70 scientists 327–336 publications: 59 scientists 337–346 publications: 58 scientists 347–356 publications: 45 scientists 357–366 publications: 44 scientists 367–376 publications: 36 scientists 377–386 publications: 41 scientists 387–396 publications: 32 scientists 397–406 publications: 23 scientists 407–416 publications: 28 scientists 417–426 publications: 27 scientists 427–436 publications: 25 scientists 437–446 publications: 23 scientists 447–456 publications: 23 scientists 457–466 publications: 20 scientists 467–476 publications: 12 scientists 477–486 publications: 24 scientists 487–496 publications: 18 scientists 497–506 publications: 12 scientists 507–516 publications: 13 scientists 517–526 publications: 21 scientists 527–536 publications: 12 scientists 537–546 publications: 8 scientists 547–556 publications: 16 scientists 557–566 publications: 3 scientists 567–576 publications: 11 scientists 577–586 publications: 6 scientists 587–596 publications: 5 scientists 597–606 publications: 6 scientists 607–616 publications: 7 scientists 617–626 publications: 7 scientists 627–636 publications: 10 scientists 637–646 publications: 4 scientists 647–656 publications: 3 scientists 657–658 publications: 2 scientists 659+ publications: 100 scientists
47–56 publications 659+

This scientist: 130 publications — 16th percentile

16% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 659 publications or more.

View publications distribution as a table
Number of Mechanical and Aerospace Engineering scientists by publication count, Research.com 2026 ranking edition. Based on 3,445 ranked scientists.
Publications Scientists This scientist
47–56 10
57–66 23
67–76 32
77–86 62
87–96 67
97–106 91
107–116 113
117–126 115
127–136 130 130
137–146 140
147–156 155
157–166 132
167–176 133
177–186 130
187–196 140
197–206 115
207–216 125
217–226 117
227–236 99
237–246 92
247–256 100
257–266 95
267–276 88
277–286 77
287–296 74
297–306 74
307–316 62
317–326 70
327–336 59
337–346 58
347–356 45
357–366 44
367–376 36
377–386 41
387–396 32
397–406 23
407–416 28
417–426 27
427–436 25
437–446 23
447–456 23
457–466 20
467–476 12
477–486 24
487–496 18
497–506 12
507–516 13
517–526 21
527–536 12
537–546 8
547–556 16
557–566 3
567–576 11
577–586 6
587–596 5
597–606 6
607–616 7
617–626 7
627–636 10
637–646 4
647–656 3
657–658 2
659+ 100
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Thomas Bradley D-index placement in Mechanical and Aerospace Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Mechanical and Aerospace Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Thomas Bradley sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 64 bars. Horizontal axis: D-Index, 30 to 93+. Vertical axis: number of scientists, 0 to 189. Most scientists, 189, have 34 D-Index. The last bar groups every scientist with 93 D-Index or more. The highlighted bar, 35 D-Index, is where this scientist sits. 30 D-Index: 83 scientists 31 D-Index: 113 scientists 32 D-Index: 144 scientists 33 D-Index: 153 scientists 34 D-Index: 189 scientists 35 D-Index: 158 scientists 36 D-Index: 139 scientists 37 D-Index: 127 scientists 38 D-Index: 130 scientists 39 D-Index: 126 scientists 40 D-Index: 104 scientists 41 D-Index: 100 scientists 42 D-Index: 107 scientists 43 D-Index: 101 scientists 44 D-Index: 103 scientists 45 D-Index: 79 scientists 46 D-Index: 88 scientists 47 D-Index: 70 scientists 48 D-Index: 83 scientists 49 D-Index: 44 scientists 50 D-Index: 64 scientists 51 D-Index: 56 scientists 52 D-Index: 50 scientists 53 D-Index: 48 scientists 54 D-Index: 58 scientists 55 D-Index: 52 scientists 56 D-Index: 48 scientists 57 D-Index: 42 scientists 58 D-Index: 34 scientists 59 D-Index: 42 scientists 60 D-Index: 37 scientists 61 D-Index: 42 scientists 62 D-Index: 44 scientists 63 D-Index: 22 scientists 64 D-Index: 33 scientists 65 D-Index: 29 scientists 66 D-Index: 23 scientists 67 D-Index: 29 scientists 68 D-Index: 24 scientists 69 D-Index: 19 scientists 70 D-Index: 34 scientists 71 D-Index: 26 scientists 72 D-Index: 19 scientists 73 D-Index: 18 scientists 74 D-Index: 19 scientists 75 D-Index: 14 scientists 76 D-Index: 19 scientists 77 D-Index: 8 scientists 78 D-Index: 18 scientists 79 D-Index: 16 scientists 80 D-Index: 12 scientists 81 D-Index: 17 scientists 82 D-Index: 11 scientists 83 D-Index: 16 scientists 84 D-Index: 7 scientists 85 D-Index: 9 scientists 86 D-Index: 8 scientists 87 D-Index: 6 scientists 88 D-Index: 6 scientists 89 D-Index: 7 scientists 90 D-Index: 10 scientists 91 D-Index: 4 scientists 92 D-Index: 4 scientists 93+ D-Index: 100 scientists
30 D-Index 93+

This scientist: 35 D-Index — 24th percentile

24% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 93 D-Index or more.

View D-Index distribution as a table
Number of Mechanical and Aerospace Engineering scientists by D-index, Research.com 2026 ranking edition. Based on 3,445 ranked scientists.
D-Index Scientists This scientist
30 83
31 113
32 144
33 153
34 189
35 158 35
36 139
37 127
38 130
39 126
40 104
41 100
42 107
43 101
44 103
45 79
46 88
47 70
48 83
49 44
50 64
51 56
52 50
53 48
54 58
55 52
56 48
57 42
58 34
59 42
60 37
61 42
62 44
63 22
64 33
65 29
66 23
67 29
68 24
69 19
70 34
71 26
72 19
73 18
74 19
75 14
76 19
77 8
78 18
79 16
80 12
81 17
82 11
83 16
84 7
85 9
86 8
87 6
88 6
89 7
90 10
91 4
92 4
93+ 100
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Overview

Thomas Bradley is affiliated with Colorado State University in the United States. Their research contributions lie primarily within the field of Engineering, with significant work in Electrical and Electronic Engineering, Atomic and Molecular Physics and Optics, General Health Professions, Philosophy, and Biomedical Engineering.

The scientist's work spans various advanced topics, notably in photonics and fiber optics. The main topics covered by their research include:

  • Photonic Crystal and Fiber Optics
  • Optical Network Technologies
  • Advanced Fiber Optic Sensors
  • Advanced Fiber Laser Technologies
  • Semiconductor Lasers and Optical Devices
  • Advanced Photonic Communication Systems
  • Photonic and Optical Devices

Thomas Bradley has published extensively in several scientific venues, indicating a strong presence in the optics and photonics research communities. Frequent publication venues include:

  • Journal of Lightwave Technology
  • Optics Express
  • arXiv (Cornell University)
  • Optical Fiber Communication Conference (OFC) 2022
  • Optics Letters

Recent notable papers by Thomas Bradley demonstrate a focus on hollow-core optical fibers and their properties. Selected publications are:

  • "Hollow core optical fibres with comparable attenuation to silica fibres between 600 and 1100 nm," 2020, Nature Communications
  • "0.174 dB/km Hollow Core Double Nested Antiresonant Nodeless Fiber (DNANF)," 2022, Optical Fiber Communication Conference (OFC) 2022
  • "Exceptional polarization purity in antiresonant hollow-core optical fibres," 2020, Nature Photonics
  • "Kilowatt-average-power single-mode laser light transmission over kilometre-scale hollow-core fibre," 2022, Nature Photonics
  • "Hollow-core resonator fiber optic gyroscope using nodeless anti-resonant fiber," 2020, Optics Letters

Collaboration forms an important component of their research activity. Frequent co-authors associated with Thomas Bradley include:

  • Francesco Poletti
  • David J. Richardson
  • Gregory T. Jasion
  • Eric Numkam Fokoua
  • Hesham Sakr

Best Publications

  • Hollow Core NANF with 0.28 dB/km Attenuation in the C and L Bands

    Gregory T. Jasion;Thomas D. Bradley;Kerrianne Harrington;Hesham Sakr

  • Hollow-core Optical Fiber Gas Lasers (HOFGLAS): a review [Invited]

    A. V. Vasudevan Nampoothiri;Andrew M. Jones;C. Fourcade-Dutin;Chenchen Mao

  • Multi-kilometer Long, Longitudinally Uniform Hollow Core Photonic Bandgap Fibers for Broadband Low Latency Data Transmission

    Yong Chen;Zhixin Liu;Seyed R. Sandoghchi;Gregory T. Jasion

  • Fabrication of tubular anti-resonant hollow core fibers: modelling, draw dynamics and process optimization.

    Gregory T. Jasion;John R. Hayes;Natalie V. Wheeler;Yong Chen

  • Hollow-core resonator fiber optic gyroscope using nodeless anti-resonant fiber

    Glen A Sanders;Austin A Taranta;Chellappan Narayanan;Eric Numkam Fokoua

  • Backscattering in antiresonant hollow-core fibers: over 40 dB lower than in standard optical fibers

    V. Michaud-Belleau;E. Numkam Fokoua;T. D. Bradley;J. R. Hayes

  • Record Low-Loss 1.3dB/km Data Transmitting Antiresonant Hollow Core Fibre

    T. D. Bradley;J. R. Hayes;Y. Chen;G. T. Jasion

  • Low-loss Kagome hollow-core fibers operating from the near- to the mid-IR.

    N. V. Wheeler;T. D. Bradley;J. R. Hayes;M. A. Gouveia

  • MicroStructure Element Method (MSEM): viscous flow model for the virtual draw of microstructured optical fibers.

    G.T. Jasion;J.S. Shrimpton;Yong Chen;T. Bradley

  • X-ray tomography for structural analysis of microstructured and multimaterial optical fibers and preforms

    S. R. Sandoghchi;G. T. Jasion;N. V. Wheeler;S. Jain

  • Modal content in hypocycloid Kagomé hollow core photonic crystal fibers.

    Thomas D Bradley;Natalie V Wheeler;Gregory T Jasion;David Gray

  • Hollow core fibres and their applications

    D. J. Richardson;N. V. Wheeler;Y. Chen;J. R. Hayes

  • Anti-Resonant, Mid-Infrared Silica Hollow-Core Fiber

    Ian A. Davidson;Shuichiro Rikimi;Hesham Sakr;Gregory T. Jasion

  • Pressure in As-drawn Hollow Core Fibers

    Shuichiro Rikimi;Yong Chen;Matthew C. Partridge;Ian A. Davidson

  • Antiresonant hollow core preforms and optical fibres and methods of fabrication

    Francesco Poletti;Gregory Teofil Jasion;Natalie Wheeler;Thomas David Bradley

  • Non-invasive Excitation of Meter-scale Electric Discharges in Gas-filled Hollow-core Photonic Crystal Fibers

    Alexander M. Heidt;Tom Bradley;Nathalie Wheeler;Marco Petrovich

  • Virtual Draw of Tubular Hollow-Core Fibers

    Gregory T. Jasion;John R. Hayes;Natalie V. Wheeler;Yong Chen

  • Photonic bandgap fibres for low-latency data transmission

    D. J. Richardson;Y. Chen;N. V. Wheeler;J. R. Hayes

  • Gas Flow Within Hollow Core Optical Fibers

    Matthew Partridge;Rowan Curtis;Kendra Khodabandehloo;Yong Chen

  • Dataset for Fabrication of tubular anti-resonant hollow core fibers: modelling, draw dynamics and process optimization

    Gregory Jasion;John Hayes;Natalie Wheeler;Yong Chen

  • Recent advances in hollow fiber technology for telecoms applications

    E. Numkam Fokoua;G. T. Jasion;Y. Chen;S. R. Sandoghchi

Frequent Co-Authors

Francesco Poletti
Francesco Poletti University of Southampton
David J. Richardson
David J. Richardson Microsoft (United States)
Radan Slavik
Radan Slavik University of Southampton
Fetah Benabid
Fetah Benabid Xlim Research Institute
E. Numkam Fokoua
E. Numkam Fokoua University of Southampton
Periklis Petropoulos
Periklis Petropoulos University of Southampton
Stanislav Zvanovec
Stanislav Zvanovec Czech Technical University in Prague
Yongmin Jung
Yongmin Jung University of Southampton
Luca Vincetti
Luca Vincetti University of Modena and Reggio Emilia
Peter Horak
Peter Horak University of Southampton

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