Projects per year
Personal profile
Personal Statement
I received the Ph.D. degree in physics from the University of Strathclyde, Glasgow, UK in 2012.
As a researcher, I have experience working on a variety of research projects including gyrotron travelling wave amplifiers, plasma filled microwave sources, microwave pulse compression and free electron lasers. I have led the development of gyro-TWAs in terms of design, computational simulation techniques and laboratory experimentation. I have carried out world-leading experiments of high power broadband mm-wave/THz amplifiers that have great potential in EPR/DNP and mm-wave wireless and satellite communications. I have successfully demonstrated a world-record 88-104GHz continuously tuneable, high power (10kW) Gyro-BWO experiment (2012), and a gyro-amplifier achieving 3.4kW with a 3dB instantaneous frequency bandwidth of at least 5.5GHz at W-band (2017).
Research Interests
Broadband, high power, mm-wave/terahertz gyrotron travelling wave amplifiers for next-generation magnetic resonance spectroscopy, telecommunications, security imaging and radar; Gyrotron backward wave oscillator; Conventional travelling wave amplifiers; Electron beam generation; Beam-wave interaction, Low-pressure gas discharge; Plasma filled high power microwave sources; Free electron lasers and pulsed power technologies.
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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Drilling and Integrated GigaHertz-Generated Energy Resource DIGGER
Ronald, K. (Principal Investigator), MacGregor, S. (Co-investigator), Timoshkin, I. (Co-investigator), Whyte, C. (Co-investigator), Wilson, M. (Co-investigator), Speirs, D. (Research Co-investigator) & Zhang, L. (Research Co-investigator)
14/06/24 → 13/12/25
Project: Research
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Laboratory demonstration of wireless data communication using pulsed 94GHz gyro-TWA
Donaldson, C. (Researcher), He, W. (Principal Investigator) & Zhang, L. (Researcher)
Project: Research
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Efficient 94GHz Cherenkov radiation source with a multistage energy recovery system
MacLachlan, A. J., Zhang, L., Konoplev, I. V., Phelps, A. D. R., Robertson, C. W., MacInnes, P., Whyte, C. G., Ronald, K., Cross, A. W. & Henderson, M. A., 19 Aug 2025, 2025 26th International Vacuum Electronics Conference (IVEC). Piscataway, NJ: IEEE, p. 1-3 3 p.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution book
Open AccessFile2 Downloads (Pure) -
Modulated cusp electron gun for millimeter-wave gyro-amplifiers
Donaldson, C. R., Zhang, L., Robertson, C. W., Ronald, K. & Whyte, C. G., 19 Aug 2025, 2025 26th International Vacuum Electronics Conference (IVEC). Piscataway, NJ: IEEE, p. 1-2 2 p.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution book
Open AccessFile1 Downloads (Pure)
Datasets
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Data for: "Dispersion Curve of the Helically Corrugated Waveguide Based on Helicoidal Coordinate Transform"
Zhang, L. (Creator) & Cross, A. (Creator), University of Strathclyde, 4 Oct 2023
DOI: 10.15129/fe4f7b47-de42-45bc-81c3-575749d44dc2
Dataset
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Data for: "Magnetron Injection Gun for high-power gyroklystron"
Zhang, L. (Creator), Cross, A. (Owner) & Nix, L. (Contributor), University of Strathclyde, 1 Jun 2021
DOI: 10.15129/48f5ca92-c244-4426-95d8-24a22fb60e08
Dataset
Prizes
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20th International Vacuum Electronics Conference (IVEC 2019) Best Poster Award
Zhang, L. (Recipient), 1 May 2019
Prize: Prize (including medals and awards)
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Activities
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Modulated cusp electron gun for millimeter-wave gyro-amplifiers
Donaldson, C. (Speaker), Zhang, L. (Contributor), Robertson, C. (Contributor), Ronald, K. (Contributor) & Whyte, C. (Contributor)
15 Apr 2025Activity: Talk or Presentation › Oral presentation
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Research of Millimetre-wave Undulator at 94 GHz
Zhang, L. (Speaker), Clarke, J. (Contributor), Donaldson, C. (Contributor), Robertson, C. (Contributor), Whyte, C. (Contributor), Ronald, K. (Contributor) & Cross, A. (Contributor)
17 Apr 2025Activity: Talk or Presentation › Oral presentation