If you made any changes in Pure these will be visible here soon.

Research Output 2004 2019

2019
Open Access
File
oscillators
vacuum
wave interaction
electronics
wavelengths
Open Access
File
coupled modes
copper
tunable filters
backups
periodic variations

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)

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
Open Access
File
electrodynamics
absorbers
solar cells
frequency ranges
routes
2018
Open Access
File
3D printers
Periodic structures
Millimeter waves
Printing
Microwaves

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

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
Open Access
File
Wave power
3D printers
Beam plasma interactions
Electrodeposition
Printing

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

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

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)
Open Access
File
radiation sources
coupled modes
cavities
mesh
configurations
2017
1 Citation (Scopus)

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)
Open Access
File
Periodic structures
3D printers
printing
Printing
Electron beams
1 Citation (Scopus)

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

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

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)

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

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

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)

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
35 Citations (Scopus)
Open Access
File
Beam plasma interactions
Electron beams
oscillators
electron beams
simulation
2014

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

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)

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

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)

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
22 Citations (Scopus)

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
78 Citations (Scopus)
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)

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
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
4 Citations (Scopus)

Characterization of a Penning discharge for investigation of auroral radio wave generation mechanisms

McConville, S., Koepke, M. E., Gillespie, K., Matheson, K., Whyte, C., Robertson, C. & Speirs, D., 14 Nov 2011, In : Plasma Physics and Controlled Fusion. 53, 12, 9 p., 124020.

Research output: Contribution to journalArticle

Penning discharge
Radio waves
wave generation
radio waves
Magnetosphere
12 Citations (Scopus)

Cyclotron maser radiation from inhomogeneous plasmas

Cairns, R. A., Vorgul, I., Bingham, R., Ronald, K., Speirs, D. C., McConville, S. L., Gillespie, K. M., Bryson, R., Phelps, A. D. R., Kellett, B. J., Cross, A. W., Robertson, C., Whyte, C. G. & He, W., Feb 2011, In : Physics of Plasmas. 18, 2, p. 022902 5 p.

Research output: Contribution to journalArticle

masers
cyclotrons
radiation
plasma diffusion
space plasmas
45 Citations (Scopus)
Open Access
File
coherent radiation
cavities
waveguides
Q factors
cut-off
Open Access
File
corrugated waveguides
cusps
electron beams
backward waves
wave interaction
2010
1 Citation (Scopus)

5-fold helically corrugated waveguide dispersion measurements

McStravick, M., Ronald, K., Samsonov, S. V., Mishakin, S. V., He, W., Denisov, G. G., Whyte, C. G., Young, A. R., Bratman, V. L., Robertson, C. W., Cross, A. W., Kolganov, N. G., Phelps, A. D. R. & MacInnes, P., 2010, p. 1-2. 2 p.

Research output: Contribution to conferencePaper

corrugated waveguides
pulses
microwaves
pulse compression
compressors
107 Citations (Scopus)

A cusp electron gun for millimeter wave gyrodevices

Donaldson, C. R., He, W., Cross, A. W., Li, F., Phelps, A. D. R., Zhang, L., Ronald, K., Robertson, C., Whyte, C. & Young, A., 5 Apr 2010, In : Applied Physics Letters. 96, 14, 3 p., 141501.

Research output: Contribution to journalArticle

Open Access
File
electron guns
cusps
millimeter waves
thermionics
submillimeter waves

A laboratory study of mechanisms for auroral kilometric radiation generation

Ronald, K., Speirs, D. C., McConville, S. L., Gillespie, K. M., Phelps, A. D. R., Bingham, R., Cross, A. W., Robertson, C. W., Whyte, C. G., He, W., Cairns, R. A., Vorgul, I. & Kellett, B. J., 2010, p. 1-2. 2 p.

Research output: Contribution to conferencePaper

masers
magnetospheres
cyclotrons
radiation
simulation
8 Citations (Scopus)

A novel cylindrical TE2,1 mode converter

Constable, D. A., Fampris, X. S., Ronald, K., He, W., Whyte, C. G. & Robertson, C. W., 17 Sep 2010, In : Review of Scientific Instruments. 81, 9, p. 094702 10 p.

Research output: Contribution to journalArticle

converters
Circular waveguides
Rectangular waveguides
Bandwidth
Computer simulation

Electron gun design for large orbit axis encircling beams

Robertson, C. W., Whyte, C. G., Young, A. R., Phelps, A. D. R., He, W., Cross, A. W. & Ronald, K., 2010, p. 1-2. 2 p.

Research output: Contribution to conferencePaper

electron guns
electron beams
orbits
selectivity