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Research Output 2004 2019

2019
5 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
File
microwaves
interactions
laser plasma interactions
plasma dynamics
ion acoustic waves
6 Downloads (Pure)
Open Access
File
oscillators
vacuum
wave interaction
electronics
wavelengths
Open Access
File
microwaves
interactions
laser plasma interactions
wave interaction
cyclotrons
12 Downloads (Pure)

Mode coupling in periodic surface lattice and metamaterial structures for mm-wave and THz applications

MacLachlan, A. J., Robertson, C. W., Ronald, K., Cross, A. W. & Phelps, A. D. R., 30 Jun 2019, In : SN Applied Sciences. 1, 6, 8 p., 613.

Research output: Contribution to journalArticle

Open Access
File
coupled modes
copper
tunable filters
backups
periodic variations
4 Downloads (Pure)

Oversized W-band 2D periodic lattice oscillator

Cross, A. W., MacLachlan, A. J., Robertson, C. W., Zhang, L., Donaldson, C. R., Yin, H., Phelps, A. D. R. & Ronald, K., 27 Jun 2019, 2019 International Vacuum Electronics Conference (IVEC). Piscataway, N.J.: IEEE, 2 p.

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

Open Access
File
oscillators
simulation
selectivity
electron beams
waveguides
1 Citation (Scopus)
14 Downloads (Pure)

Resonant excitation of volume and surface fields on complex electrodynamic surfaces

MacLachlan, A. J., Robertson, C. W., Konoplev, I. V., Cross, A. W., Phelps, A. D. R. & Ronald, K., 14 Mar 2019, In : Physical Review Applied. 11, 3, 8 p., 034034.

Research output: Contribution to journalArticle

Open Access
File
Electrodynamics
electrodynamics
Excitation
excitation
Substrate
5 Downloads (Pure)
Open Access
File
electrodynamics
absorbers
solar cells
frequency ranges
routes
2018
15 Downloads (Pure)
Open Access
File
3D printers
Periodic structures
Millimeter waves
Printing
Microwaves
17 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
File
laser plasma interactions
electromagnetic radiation
microwaves
fusion reactors
wave interaction
8 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
File
Periodic structures
printing
Printing
3D printers
Vacuum
19 Downloads (Pure)
Open Access
File
Wave power
3D printers
Beam plasma interactions
Electrodeposition
Printing
8 Downloads (Pure)

Millimeter-wave periodic surface lattices for mode control in vacuum electronic sources

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

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

Open Access
File
Millimeter waves
millimeter waves
Vacuum
vacuum
planar structures
10 Downloads (Pure)

Output measurements of a highly overmoded W-band source

MacLachlan, A. J., Phipps, A. R., Robertson, C. W., Yin, H., Zhang, L., Cross, A. W. & Phelps, A. D. R., 5 Sep 2018, p. 1-2. 2 p.

Research output: Contribution to conferencePaper

Open Access
File
output
wave interaction
selectivity
electron beams
conduction
9 Downloads (Pure)

Periodic GW level microwave pulses in X-band from a combination of a relativistic backward wave oscillator and a helical waveguide compressor

Macinnes, P., Bratman, V. L., Zhang, L., Denisov, G. G., He, W., Kolganov, N. G., Mcstravick, M., Mishakin, S. V., Robertson, C. W., Samsonov, S. V., Whyte, C. G., Young, A. R., Ronald, K., Phelps, A. D. R. & Cross, A. W., 13 Feb 2018, 2017 IEEE 21st International Conference on Pulsed Power, PPC. Piscataway, N.J.: IEEE, 4 p. 8291306

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

Open Access
File
Helical waveguides
Compressors
Microwaves
Compression ratio (machinery)
Traveling wave tubes
2 Citations (Scopus)
8 Downloads (Pure)
Open Access
File
radiation sources
coupled modes
cavities
mesh
configurations
2017
1 Citation (Scopus)
9 Downloads (Pure)

Additive manufacturing method of prototyping novel mm-wave and THz sources

Phipps, A. R., MacLachlan, A. J., Robertson, C. W., 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,N.J: Institute of Electrical and Electronics Engineers Inc., p. 238-240 3 p.

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

Open Access
File
3D printers
manufacturing
coherent sources
Electromagnetic fields
Electron beams
8 Citations (Scopus)
12 Downloads (Pure)
Open Access
File
Periodic structures
3D printers
printing
Printing
Electron beams
1 Citation (Scopus)
27 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
File
masers
cyclotrons
electrons
33 Downloads (Pure)

Measurement of 30kW output from a W-band source constructed by additive manufacturing

Phipps, A. R., Maclachlan, A. J., Robertson, C. W., Zhang, L., Cross, A. W. & 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. 8068509

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

Open Access
File
3D printers
Electron beams
manufacturing
Vacuum
electron beams
5 Downloads (Pure)

Surface and volume mode coupling experiments for high power mm-wave sources

MacLachlan, A. J., Phipps, A. R., Robertson, C. W., Konoplev, I. V., 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, N.J.: Institute of Electrical and Electronics Engineers Inc., p. 61-63 3 p.

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

Open Access
File
Surface waves
coupled modes
coherent sources
Experiments
surface waves
2016
3 Citations (Scopus)
70 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
File
Klystrons
Microwaves
Millimeter waves
Microfabrication
Amplification
11 Downloads (Pure)

Periodic structure towards the terahertz region manufactured using high resolution 3D printing

Phipps, A. R., MacLachlan, A. J., Zhang, L., Robertson, C. W., Konoplev, I. V., Phelps, A. D. R. & Cross, A. W., 28 Apr 2016, 2015 8th UK, Europe, China Millimeter Waves and THz Technology Workshop, UCMMT 2015. Piscataway, NJ: IEEE, 4 p. 7460622

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

Open Access
File
Periodic structures
printing
Printing
3D printers
manufacturing
2015

Application of a pseudospark-generated electron beam to a 200 GHz backward wave oscillator

Yin, H., Bowes, D., Cross, AW., He, W., Ronald, K., Liu, G., Yin, Y., Zhang, L., Speirs, DC., Robertson, C. W. & Phelps, A. D. R., 28 May 2015, p. 1-1. 1 p.

Research output: Contribution to conferenceAbstract

Cherenkov maser experiments based on a 2D periodic surface lattice

Phipps, AR., MacLachlan, AJ., Robertson, C. W., Konoplev, IV., Ronald, K., Cross, AW., Whyte, CG. & Phelps, ADR., 24 May 2015, Abstracts IEEE International Conference on Plasma Sciences (ICOPS). Piscataway: IEEE, p. 1 1 p.

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

masers
cavities
beam interactions
wave interaction
electromagnetic radiation
70 Downloads (Pure)

Design and experiments of a five-fold helically corrugated waveguide for microwave pulse compression

Zhang, L., Mishakin, S. V., He, W., Samsonov, S. V., Cross, A. W., Denisov, G. G., McStravick, M., Bratman, V. L., Whyte, C. G., Robertson, C. W., Young, A. R., Yin, H., Ronald, K., Macinnes, P. & Phelps, A. D. R., 11 Nov 2015, IRMMW-THz 2015: 40th International Conference on Infrared, Millimeter, and Terahertz Waves. Piscataway, NJ.: IEEE, p. 1-2 2 p.

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

Open Access
File
corrugated waveguides
Pulse compression
pulse compression
Waveguides
Microwaves
15 Citations (Scopus)
131 Downloads (Pure)

Experimental study of microwave pulse compression using a five-fold helically corrugated waveguide

Zhang, L., Mishakin, S. V., He, W., Samsonov, S. V., McStravick, M., Denisov, G. G., Cross, A. W., Bratman, V. L., Whyte, C. G., Robertson, C. W., Young, A. R., Ronald, K. & Phelps, A. D. R., 30 Jan 2015, In : IEEE Transactions on Microwave Theory and Techniques . 63, 3, p. 1090-1096 7 p., 7027876.

Research output: Contribution to journalArticle

Open Access
File
corrugated waveguides
Pulse compression
pulse compression
Waveguides
Microwaves
38 Citations (Scopus)
91 Downloads (Pure)
Open Access
File
Beam plasma interactions
Electron beams
oscillators
electron beams
simulation
2014
38 Downloads (Pure)

3D PiC code investigations of auroral kilometric radiation mechanisms

Gillespie, K. M., McConville, S. L., Speirs, D. C., Ronald, K., Phelps, A. D. R., Bingham, R., Cross, A. W., Robertson, C. W., Whyte, C. G., He, W., Vorgul, I., Cairns, R. A. & Kellett, B. J., 1 Jan 2014, In : Journal of Physics: Conference Series . 511, 1, 6 p., 012051.

Research output: Contribution to journalArticle

Open Access
File
radiation
cyclotrons
simulation
radio emission
magnetic dipoles

Millimeter-wave components for a helical waveguide gyro-TWA

Robertson, C. W., Young, A. R., Ronald, K., Cross, A. W. & Whyte, C. G., 9 Dec 2014, 2014 39th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). Piscataway, New Jersey, United States: IEEE, 2 p. 6956498

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

Helical waveguides
Millimeter waves
Waveguide components
Studios
Scattering parameters
142 Downloads (Pure)

Numerical analysis and experimental design of a 103 GHz Cherenkov maser

Phipps, A. R., Maclachlan, A. J., Robertson, C. W., Konoplev, I. V., Phelps, A. D. R. & Cross, A. W., 13 Nov 2014, 2014 39th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). Piscataway, NJ.: IEEE, p. 1-2 2 p. 6956254

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

Open Access
File
Masers
masers
Design of experiments
numerical analysis
Numerical analysis
1 Citation (Scopus)
136 Downloads (Pure)

Planar periodic surface lattices for use in millimeter-wave sources

Maclachlan, A. J., Phipps, A. R., Robertson, C. W., Phelps, A. D. R., Konoplev, I. V. & Cross, A. W., 13 Nov 2014, 2014 39th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). Piscataway, NJ.: IEEE, 2 p. 6956011

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

Open Access
File
Millimeter waves
millimeter waves
Electron beams
electron beams
cavities
64 Downloads (Pure)

Scaled experiment to investigate auroral kilometric radiation mechanisms in the presence of background electrons

McConville, S. L., Ronald, K., Speirs, D. C., Gillespie, K. M., Phelps, A. D. R., Cross, A. W., Bingham, R., Robertson, C. W., Whyte, C. G., He, W., King, M., Bryson, R., Vorgul, I., Cairns, R. A. & Kellett, B. J., 1 Jan 2014, In : Journal of Physics: Conference Series . 511, 1, 6 p., 012061.

Research output: Contribution to journalArticle

Open Access
File
magnetic compression
radiation
electrons
distribution functions
waveguides
2013
3 Citations (Scopus)

Circular polariser for use in a gyro-travelling wave amplifier

Robertson, C., Young, A., Ronald, K., Cross, A. & Whyte, C., 20 Aug 2013, In : IET Microwaves, Antennas & Propagation. 7, 11, p. 942-948 7 p.

Research output: Contribution to journalArticle

traveling wave amplifiers
computerized simulation
corrugated waveguides
broadband
polarized radiation
6 Citations (Scopus)

Scaled design and test of a coupler for micro-reentrant square-cavities for millimeter wave klystrons

Paoloni, C., Mineo, M., Yin, H., Zhang, L., He, W., Robertson, C. W., Ronald, K., Phelps, A. D. R. & Cross, A. W., 1 Aug 2013, 14th IEEE International Vacuum Electronics Conference: IVEC 2013. Piscataway, NJ: IEEE, 2 p. 6571015

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

Klystrons
Millimeter waves
15 Citations (Scopus)
175 Downloads (Pure)

Surface field excitation by an obliquely incident wave

Konoplev, I. V., Phipps, A. R., Phelps, A. D. R., Robertson, C., Ronald, K. & Cross, A. W., Apr 2013, In : Applied Physics Letters. 102, 14, 4 p., 141106.

Research output: Contribution to journalArticle

Open Access
File
excitation
amplifiers
2012

A cusp electron gun for millimeter wave gyro-devices

Donaldson, C. R., Cross, A. W., Zhang, L., Li, F., Phelps, A. D. R., Ronald, K., Robertson, C. W., Whyte, C. G., Young, A. R. & He, W., 13 Dec 2012, 2012 37th International Conference on Infrared, Millimeter, and Terahertz Waves. Piscataway, N.J.: IEEE, 2 p.

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

electron guns
cusps
millimeter waves
thermionics
low speed

A high-power Ka-band free electron maser, defined by a 2D – 1D Bragg lasing cavity

MacInnes, P., Konoplev, I. V., Cross, A. W., He, W., Yin, H., Whyte, C. G., Robertson, C. W., Ronald, K. & Phelps, A. D. R., 24 Dec 2012, 2012 Abstracts IEEE International Conference on Plasma Science. IEEE, 1 p.

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

Open Access
File
masers
free electrons
lasing
cavities
pulse duration

A high-power pulsed power supply for high-power microwave sources

MacInnes, P., Cross, A. W., Konoplev, I. V., Whyte, C. G., He, W., Yin, H., Ronald, K., Robertson, C. W., Young, A. R. & Phelps, A. D. R., 24 Dec 2012, 2012 IEEE Abstracts International Conference on Plasma Science. IEEE, 1 p.

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

power supplies
diodes
microwaves
pulses
shot
22 Citations (Scopus)
172 Downloads (Pure)

Cylindrical, periodic surface lattice — theory, dispersion analysis, and experiment

Konoplev, I. V., MacLachlan, A. J., Robertson, C. W., Cross, A. W. & Phelps, A. D. R., Sep 2012, In : Applied Physics Letters. 101, 12, 5 p., 121111.

Research output: Contribution to journalArticle

Open Access
File
electromagnetic properties
wave equations
topology
impedance
coatings
1 Citation (Scopus)

Design of a triodelike electron gun for millimeter-wave gyrodevices

Robertson, C., Young, A., Ronald, K., Cross, A. & Whyte, C., Sep 2012, In : IEEE Transactions on Electron Devices. 59, 9, p. 2520 - 2523 4 p.

Research output: Contribution to journalArticle

Electron guns
Millimeter waves
Triodes

Helically corrugated 35GHz gyro-TWA, simulations and measurement

Whyte, C. G., Robertson, C. W., Young, A. R., He, W., Cross, A. W., MacInnes, P., Phelps, A. D. R. & Ronald, K., 13 Dec 2012, 2012 37th International Conference on Infrared, Millimeter, and Terahertz Waves. Piscataway, N.J.: IEEE, 2 p. 6380094. (International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz).

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

Waveguides
Experiments
Polarization
Bandwidth

Ka-band gyro-TWA simulations and comparison with experiment

Whyte, C. G., Robertson, C. W., Ronald, K., Young, A. R., He, W., Cross, A. W., MacInnes, P. & Phelps, A. D. R., 9 Aug 2012, 2012 IEEE 13th International Vacuum Electronics Conference, IVEC 2012. Piscataway, NJ, p. 423-424 2 p. 6262223

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

Waveguides
Experiments
Polarization
Bandwidth
78 Citations (Scopus)
509 Downloads (Pure)
File
corrugated waveguides
coupled modes
Waveguides
Microwaves
microwaves

Pulse compression using a five-fold helically corrugated waveguide

Zhang, L., Cross, A. W., He, W., Whyte, C. G., McStravick, M., Young, A. R., Ronald, K., Robertson, C. W., Phelps, A. D. R., Samsonov, S. V., Mishakin, S. V., Bratman, V. L., Denisov, G. G. & Kolganov, N. G., 23 Sep 2012, 2012 37th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). IEEE, p. 1-2 2 p.

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

Pulse compression
Waveguides
Microwaves
Experiments

The dispersion characteristics of helically corrugated waveguide

Zhang, L., Cross, A., He, W., Robertson, C., Young, A., Whyte, C., Ronald, K., MacInnes, P., Donaldson, C. & Phelps, A., 24 Apr 2012, Proceedings of the IEEE Thirteenth International Vacuum Electronics Conference (IVEC), 2012. IEEE, p. 201-202 2 p.

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

corrugated waveguides
waveguides

Updates on a W-band Gyro-BWO using a helically corrugated waveguide experiment

Donaldson, C. R., He, W., Zhang, L., Cross, A. W., Li, F., Phelps, A. D. R., Ronald, K., Robertson, C. W., Whyte, C. G. & McElhinney, P., 24 Apr 2012, 2012 IEEE Thirteenth International Vacuum Electronics Conference (IVEC). IEEE, p. 217 - 218 2 p.

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

Waveguides
Submillimeter waves
Electron guns
Electron beams
Demonstrations
14 Citations (Scopus)
13 Downloads (Pure)

Wideband gyro-amplifiers

Whyte, C. G., Ronald, K., Young, A. R., He, W., Robertson, C. W., Rowlands, D. H. & Cross, A. W., 9 May 2012, In : IEEE Transactions on Plasma Science. 40, 5, p. 1303-1310 8 p.

Research output: Contribution to journalArticle

Open Access
File
amplifiers
corrugated waveguides
broadband
bandwidth
power gain
2011

3-fold & 5-fold helically corrugated waveguide microwave pulse compressor

MacInnes, P., Zhang, L., McStravick, M., Whyte, C. G., Young, A. R., He, W., Ronald, K., Robertson, C. W., Cross, A. W., Humphrey, K., Phelps, A. D. R., Samsonov, S. V., Mishakin, S. V., Denisov, G. G., Bratman, V. L. & Kolganov, N. G., 2011. 3 p.

Research output: Contribution to conferencePoster

Open Access
File
corrugated waveguides
compressors
microwaves
pulses
pulse compression

A high-energy pulsed-power supply, suitable for high-power microwave sources

MacInnes, P., Konoplev, I. V., Cross, A. W., Whyte, C. G., He, W., Yin, H., Robertson, C. W., Young, A., Phelps, A. D. R. & Ronald, K., 2011, Proceedings of the UK Pulsed Power Symposium. 6 p.

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

Open Access
File
power supplies
microwaves
generators
pulses
ratings
14 Citations (Scopus)

Auroral magnetospheric cyclotron emission processes: numerical and experimental simulations

Ronald, K., Speirs, D. C., McConville, S. L., Gillespie, K., Phelps, A. D. R., Bingham, R., Vorgul, I., Cairns, R. A., Cross, A. W., Robertson, C., Whyte, C. G., He, W. & Kellett, B. J., Jul 2011, In : Plasma Physics and Controlled Fusion. 53, 7, 11 p., 074015.

Research output: Contribution to journalArticle

Cyclotrons
Magnetosphere
cyclotrons
magnetospheres
Radiation