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  • Kevin Ronald

0.37 THz gyro-TWA with a cryo-free SCM: design and simulation

Donaldson, C. R., Zhang, L., Cross, A. W., Ronald, K., Phelps, A. D. R. & He, W., 1 Sep 2019, 2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). Piscataway, N.J.: IEEE, 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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4 Downloads (Pure)
Open Access
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15 Downloads (Pure)

A dual-frequency quasi-optical output system for a THz gyro-multiplier

Li, X., Liu, X., Alfadhl, Y., Ronald, K., He, W., Cross, A. & Chen, X., 30 Sep 2016, In : IEEE Transactions on Terahertz Science & Technology. 6, 5, p. 674-681 8 p.

Research output: Contribution to journalArticle

Open Access
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9 Citations (Scopus)
11 Downloads (Pure)

Amplification of W-band multi-frequency signals using a gyro-TWA

He, W., Donaldson, C. R., Zhang, L., Cain, P., Yin, H., Ronald, K., Cross, A. W. & Phelps, A. D. R., 29 Oct 2018, 2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). Piscataway, NJ.: IEEE, 2 p. 8510108

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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11 Downloads (Pure)

Apparatus for investigating non-linear microwave interactions in magnetised plasma

Ronald, K., Phelps, A. D. R., Cairns, R. A., Bingham, R., Eliasson, B., Koepke, M. E., Cross, A. W., Speirs, D. C., Robertson, C. W. & Whyte, C. G., 31 Oct 2018, 45th EPS Conference on Plasma Physics (EPS 2018) . Coda, S., Lapenta, G., Michaut, C., Berndt, J., Mantsinen, M. & Weber, S. (eds.). p. 961-964 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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17 Downloads (Pure)

Apparatus for investigating non-linear microwave interactions in magnetised plasma

Bingham, R., Ronald, K., Whyte, C. G., Wilson, K., Phelps, A. D. R., Cairns, R. A., Eliasson, B., Koepke, M. E., Cross, A. W., Speirs, D. C., Robertson, C. W., MacInnes, P. & Bamford, R., 12 Jul 2019, 46th EPS Conference on Plasma Physics 8 - 12 July 2019. Mulhouse, France, Vol. 43C. 4 p. P2.4016

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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1 Downloads (Pure)

Apparatus for investigating non-linear microwave interactions in magnetised plasma

Bingham, R., Ronald, K., Whyte, C. G., Wilson, K., Phelps, A. D. R., Cairns, R. A., Eliasson, B., Koepke, M. E., Cross, A. W., Speirs, D. C., Robertson, C. W., MacInnes, P. & Bamford, R., 8 Jul 2019. 1 p.

Research output: Contribution to conferencePaper

Open Access
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9 Downloads (Pure)

Applications of Pseudospark produced electron beams in millimetre wave radiation sources

Cross, A. W., He, W., Zhang, L., Yin, H., Bowes, D., Ronald, K., Phelps, A. D. R., Yin, Y., Liu, G., Li, D. & Chen, X., 26 Apr 2016, 2015 8th UK, Europe, China Millimeter Waves and THz Technology Workshop, UCMMT 2015. Piscataway, 4 p. 7460609

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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50 Downloads (Pure)

A self-insulating, high-power, microwave source

MacInnes, P., Ronald, K., Cooke, S., Chernyavskiy, I. & Phelps, A., 4 Dec 2019.

Research output: Contribution to conferenceAbstract

Open Access
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5 Downloads (Pure)
Open Access
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49 Citations (Scopus)
41 Downloads (Pure)

Characteristic measurements of a wideband gyro-TWA operating in W-band

He, W., Zhang, L., Donaldson, C. R., Ronald, K., Phelps, A. D. R., Cross, A. W. & Cain, P., 1 May 2019. 2 p.

Research output: Contribution to conferencePaper

Open Access
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10 Downloads (Pure)

Compact high power millimetre wave sources driven by pseudospark-sourced electron beams

He, W., Xie, J., Phelps, A., Cross, A., Yin, H., Shu, G., Yin, Y., Ronald, K., Zhao, J., Chen, X., Alfadhl, Y. & Zhang, L., 11 Sep 2019, In : IET Microwaves, Antennas & Propagation. 13, 11, p. 1794-1798 5 p.

Research output: Contribution to journalArticle

Open Access
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1 Citation (Scopus)
30 Downloads (Pure)

Compact millimetre wave and terahertz radiation sources driven by pseudospark-generated electron beam

Yin, H., Cross, A. W., Zhang, L., He, W., Bowes, D., Ronald, K. & Phelps, A. D. R., 31 Mar 2016, IET Colloquium on Millimetre-Wave and Terahertz Engineering & Technology 2016. Stevenage

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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28 Downloads (Pure)

Compact sub-terahertz radiation sources driven by pseudospark-produced electron beams

Cross, A. W., He, W., Zhang, L., Yin, H., Bowes, D., Ronald, K., Phelps, A. D. R., Li, D., Chen, X., Yin, Y., Shu, G., Liu, G. & Zhao, J., 9 Mar 2017, 2016 IEEE 9th UK-Europe-China Workshop on Millimetre Waves and Terahertz Technologies (UCMMT). Piscataway, N.J., 3 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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49 Downloads (Pure)

Computer simulation of the sheath and the adjacent plasma in the presence of a plasma source

Shustin, E. G., Tarakanov, V. P. & Ronald, K., 1 Jan 2017, In : Vacuum. 135, p. 1-6 6 p.

Research output: Contribution to journalArticle

Open Access
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4 Citations (Scopus)
84 Downloads (Pure)

Coupling structure for a high Q corrugated cavity as a microwave undulator

Zhang, L., He, W., Donaldson, C. R., Clarke, J., Ronald, K., Phelps, A. D. R. & Cross, A. W., 31 Oct 2019, In : IEEE Transactions on Electron Devices. 66, 10, p. 4392-4397 6 p.

Research output: Contribution to journalArticle

Open Access
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13 Downloads (Pure)

Demonstration of cooling by the Muon Ionization Cooling Experiment

The MICE collaboration, Bogomilov, M., Ronald, K., Young, A., Chatzitheodoridis, G. & Dick, A. J., 5 Feb 2020, In : Nature. 578, p. 53-59 7 p.

Research output: Contribution to journalArticle

Open Access
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4 Citations (Scopus)
2 Downloads (Pure)
Open Access
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2 Downloads (Pure)

Design and experiment of a broadband W-band gyro-TWA based on a helically corrugated interaction region

He, W., Donaldson, C. R., Zhang, L., McElhinney, P., Yin, H., Garner, J., Ronald, K., Cross, A. W. & Phelps, A. D. R., 12 Oct 2017, 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017. Piscataway, NJ.: IEEE, 2 p. 8067027

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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1 Citation (Scopus)
12 Downloads (Pure)

Design and simulation of a 0.37 THz gyro-TWA

Zhang, L., Donaldson, C. R., He, W., Ronald, K., Phelps, A. D. R. & Cross, A. W., 20 Aug 2019. 2 p.

Research output: Contribution to conferencePaper

Open Access
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12 Downloads (Pure)

Design of a Ka-band microwave undulator

Zhang, L., He, W., Clarke, J., Ronald, K., Phelps, A. D. R. & Cross, A. W., 5 Sep 2018, p. 1-2. 2 p.

Research output: Contribution to conferencePaper

Open Access
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14 Downloads (Pure)

Design of a Ka-band MW-level high efficiency gyroklystron for accelerators

Wang, L., Dong, K., He, W., Wang, J., Luo, Y., Cross, A. W., Ronald, K. & Phelps, A. D. R., 12 Sep 2018, In : IET Microwaves, Antennas and Propagation. 12, 11, p. 1752-1757 6 p.

Research output: Contribution to journalArticle

Open Access
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1 Citation (Scopus)
13 Downloads (Pure)

Design of a Ka-band MW-level high efficiency gyroklystron for accelerators

Wang, L., Dong, K., Wang, J., Luo, Y., He, W., Cross, A. W., Ronald, K. & Phelps, A. D. R., 16 Oct 2017, 2017 10th UK-Europe-China Workshop on Millimetre Waves and Terahertz Technologies, UCMMT 2017. Piscataway, NJ: IEEE, 3 p. 8068506

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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1 Citation (Scopus)
13 Downloads (Pure)

Design of a metamaterial cavity for harmonic terahertz gyrotrons

Zhang, Z-W., Du, C-H., Li, F-H., Zhu, J-F., Liu, P-K., Zhang, L., He, W., Yin, H., Ronald, K., Phelps, A. D. R. & Cross, A. W., 20 Aug 2019. 3 p.

Research output: Contribution to conferencePaper

Open Access
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4 Downloads (Pure)

Design of frequency selective surfaces for a gyro-multiplier output system

Li, X., Liu, X., Alfadhl, Y., Chen, X., He, W., Ronald, K. & Cross, A., 8 Sep 2016, 2016 IEEE International Vacuum Electronics Conference, IVEC 2016. 2 p. 7561799

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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24 Downloads (Pure)
Open Access
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Development of high power broadband gyro-TWAs towards the terahertz range

He, W., Donaldson, C. R., Zhang, L., McElhinney, P., Yin, H., Garner, J. R., Ronald, K., Cross, A. W. & Phelps, A. D. R., 7 Mar 2017, 2016 IEEE 9th UK-Europe-China Workshop on Millimetre Waves and Terahertz Technologies (UCMMT). Piscataway, NJ: IEEE, p. 15-17 3 p. 7873946

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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Developments of a W-band gyro-TWA for high PRF operation

He, W., Donaldson, C. R., Zhang, L., McElhinney, P., Garner, J., Ronald, K., Cross, A. W. & Phelps, A. D. R., 28 Apr 2016, 2015 8th UK, Europe, China Millimeter Waves and THz Technology Workshop, UCMMT 2015. Piscataway, 2 p. 7460612

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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44 Downloads (Pure)

Effects of tolerance fabrication of extended interaction oscillator based on pseudospark-sourced sheet electron beam at 0.35 THz

Xie, J., Yin, H., Zhang, L., Ronald, K., Phelps, A. D. R., He, W., Shu, G., Zhao, J., Chen, X., Alfadhl, Y., Zhang, J. & Cross, A. W., 20 Aug 2019. 3 p.

Research output: Contribution to conferencePaper

Open Access
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1 Downloads (Pure)

Experimental test of a W-band gyro-TWA for cloud radar applications

He, W., Donaldson, C. R., Zhang, L., McElhinney, P., Yin, H., Garner, J. R., Ronald, K., Cross, A. W. & Phelps, A. D. R., 4 Oct 2016, 2016 46th European Microwave Conference (EuMC). Piscataway, N.J.: IEEE, p. 1099-1102 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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3 Citations (Scopus)
6 Downloads (Pure)

Experiment and simulations of kinetic instabilities in mirror-confined ECR discharge plasma

Eliasson, B., Viktorov, M., Golubev, S., Speirs, D. C., Mansfeld, D., Phelps, A. D. R., Bingham, R., Cross, A. W. & Ronald, K., 4 Dec 2019.

Research output: Contribution to conferenceAbstract

Open Access
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First particle-by-particle measurement of emittance in the Muon Ionization Cooling Experiment

Adams, D., Ronald, K., Whyte, C., Young, A., Chatzitheodoridis, G. & The MICE collaboration, 30 Mar 2019, In : European Physical Journal C. 79, 3, 15 p., 257.

Research output: Contribution to journalArticle

Open Access
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4 Citations (Scopus)
12 Downloads (Pure)

Gridded cusp gun for a terahertz gyro-amplifier

Zhang, L., Donaldson, C. R., He, W., Phelps, A. D. R., Ronald, K. & Cross, A. W., 20 Aug 2019. 2 p.

Research output: Contribution to conferencePaper

Open Access
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5 Downloads (Pure)
Open Access
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6 Downloads (Pure)

High-power gyro-klystrons for acceleration applications

Zhang, L., Wang, L., Nix, L., Dong, K., He, W., Cross, A., Ronald, K. & Phelps, A., 4 Jun 2018.

Research output: Contribution to conferenceSpeech

Open Access
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10 Downloads (Pure)

High pulse repetition frequency operation of a W-band Gyro-TWA based on a cusp electron beam source

He, W., Donaldson, C. R., Zhang, L., McElhinney, P., Yin, H., Garner, J., Ronald, K., Cross, A. W. & Phelps, A. D. R., 1 Dec 2016, 41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016. Piscataway, 7758427. (Proceedings International Conference on Infrared, Millimeter, and Terahertz Waves).

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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2 Citations (Scopus)
37 Downloads (Pure)

Initial numerical results of a frequency agile, high-power, X-band BWO

MacInnes, P., Vasilevska, M. & Ronald, K., 25 Apr 2019. 1 p.

Research output: Contribution to conferencePoster

File
1 Downloads (Pure)

Investigation of frequency-selective surfaces for a THz gyromultiplier output system

Li, X., Liu, X., Ronald, K., He, W., Zeng, Y., Alfadhl, Y., Donnan, R., Cross, A. & Chen, X., 30 Nov 2017, In : IEEE Transactions on Electron Devices. 64, 11, p. 4678-4685 8 p.

Research output: Contribution to journalArticle

Open Access
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4 Citations (Scopus)
13 Downloads (Pure)

Investigation of millimeter wave extended interaction oscillation using improved pseudospark-sourced electron beams

Yin, H., Zhang, L., He, W., Shu, G., Zhao, J., Yin, Y., Ronald, K., Phelps, A. D. R. & Cross, A. W., 16 Oct 2017, 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). Piscataway, NJ: IEEE, 2 p. 8066852

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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9 Downloads (Pure)

Laboratory experiments simulating electron cyclotron masers in space

Ronald, K., Speirs, D. C., King, M., Heelis, T., McConville, S. L., Gillespie, K. M., Bingham, R., Robertson, C. W., Cross, A. W. & Phelps, A. D. R., 4 Aug 2017, In : EPJ Web of Conferences. 149, 2 p., 03015.

Research output: Contribution to journalArticle

Open Access
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1 Citation (Scopus)
27 Downloads (Pure)
Open Access
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9 Downloads (Pure)

Lattice design and expected performance of the muon ionization cooling experiment demonstration of ionization cooling

The MICE collaboration, 19 Jun 2017, In : Physical Review Accelerators and Beams. 20, 6, 11 p., 063501.

Research output: Contribution to journalArticle

Open Access
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3 Citations (Scopus)
15 Downloads (Pure)
Open Access
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4 Downloads (Pure)

Maser radiation from collisionless shocks: application to astrophysical jets

Speirs, D. C., Ronald, K., Phelps, A. D. R., Koepke, M. E., Cairns, R. A., Rigby, A., Cruz, F., Trines, R., Bamford, R., Kellett, B. J., Albertazzi, B., Cross, J. E., Fraschetti, F., Graham, P., Kozlowski, P. M., Kuramitsu, Y., Miniati, F., Morita, T., Oliver, M., Reville, B. & 10 others, Sakawa, Y., Sarkar, S., Spindloe, C., Koenig, M., Silva, L. O., Lamb, D. Q., Tzeferacos, P., Lebedev, S., Gregori, G. & Bingham, R., 14 Mar 2019, In : High Power Laser Science and Engineering. 7, 8 p., e17.

Research output: Contribution to journalArticle

Open Access
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6 Downloads (Pure)

Measurement of a W-band gyro-TWA experiment based on a helically corrugated interaction region

He, W., Donaldson, C. R., Zhang, L., McElhinney, P., Garner, J., Ronald, K., Cross, A. W. & Phelps, A. D. R., 24 Apr 2017, p. 1-2. 2 p.

Research output: Contribution to conferencePaper

Open Access
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1 Citation (Scopus)
47 Downloads (Pure)

Measurements of structures for vacuum electronic sources manufactured by 3D printing

Phipps, A. R., MacLachlan, A. J., Robertson, C. W., Ronald, K., Cross, A. W. & Phelps, A. D. R., 9 Feb 2018, IVEC 2017 - 18th International Vacuum Electronics Conference. IEEE, Vol. 2018-January. p. 1-2 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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9 Downloads (Pure)
Open Access
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19 Downloads (Pure)

Microwave coupler for W-band micro re-entrant square cavities

Paoloni, C., Mineo, M., Yin, H., Zhang, L., He, W., Robertson, C. W., Ronald, K., Phelps, A. D. R. & Cross, A. W., 15 May 2016, In : IET Microwaves, Antennas & Propagation. 10, 7, p. 764-769 6 p.

Research output: Contribution to journalArticle

Open Access
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3 Citations (Scopus)
72 Downloads (Pure)

Microwave emission due to kinetic instabilities in an over-dense mirror-confined plasma

Viktorov, M., Eliasson, B., Golubev, S., Speirs, D., Mansfeld, D., Phelps, A. D. R., Bingham, R., Cross, A. W. & Ronald, K., 9 Oct 2019.

Research output: Contribution to conferencePoster

Open Access
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