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  • Alan Phelps

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

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200 GHz BWO experiment with a pseudospark-sourced electron beam

Yin, H., Bowes, D., He, W., Cross, A. W., Ronald, K., Phelps, A. D. R., Liu, G., Chen, X. & Li, D., 1 Jan 2013, UCMMT 2013 - 2013 6th UK, Europe, China Millimeter Waves and THz Technology Workshop. 2 p. 6641529

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

2D simulations and experiments on streaming instabilities in a Penning discharge

King, M., Speirs, D. C., Heelis, T., Bingham, R., Whyte, C. G., Robertson, C. W., Phelps, A. D. R., Koepke, M. E., McConville, S. L., Cairns, R. A., Vorgul, I. & Ronald, K., 22 Jun 2015, 42nd EPS Conference on Plasma Physics, Lisbon, Portugal, 22nd—26th June 2015. Vol. 39E. 4 p.

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

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
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38 Downloads (Pure)
Open Access
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15 Downloads (Pure)

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
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A broadband corrugated horn for a W-band gyro-TWA

McElhinney, P., Donaldson, C. R., He, W., Zhang, L., Ronald, K., Phelps, A. D. R. & Cross, A. W., 9 Aug 2012, IVEC 2012. Piscataway, NJ.: IEEE

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

Open Access
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1 Citation (Scopus)

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

A cusp electron gun for millimeter wave gyro-devices

Donaldson, C. R., Zhang, L., Cross, A. W., Phelps, A. D. R., Ronald, K. & He, W., 29 Oct 2014, 2nd IET Annual Active and Passive RF Devices Seminar. Institution of Engineering and Technology, Vol. 2014. p. 3-4 2 p.

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

Open Access
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84 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, p. 238-240 3 p.

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

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

Advanced post-acceleration methodology for pseudospark-sourced electron beam

Zhao, J., Yin, H., Zhang, L., Shu, G., He, W., Zhang, Q., Phelps, A. D. R. & Cross, A. W., 6 Feb 2017, In : Physics of Plasmas. 24, 2, 5 p., 023105.

Research output: Contribution to journalArticle

Open Access
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21 Citations (Scopus)
136 Downloads (Pure)

A four-stage depressed collector for a W-band gyro-BWO

Zhang, L., He, W., Donaldson, C. R., Cross, A. W., Phelps, A. D. R. & Ronald, K., 15 Dec 2011, 2011 International Conference on Infrared, Millimeter, and Terahertz Waves. IEEE, 2 p.

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

A high directivity broadband corrugated horn for W-band gyro-devices

McElhinney, P., Donaldson, C. R., He, W., Zhang, L., Ronald, K., Phelps, A. D. R. & Cross, A. W., 24 Dec 2012, 2012 Abstracts IEEE International Conference on Plasma Science. Piscataway, N.J.: IEEE, 1 p.

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

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
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5 Downloads (Pure)

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
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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

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)

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

Applications of pseudospark produced electron beams in backward wave oscillators

Yin, H., Bowes, D., He, W., Ronald, K., Speirs, D. C., Zhang, L., Liu, G., Phelps, A. D. R., Cross, A. W., Li, D. & Chen, X., 1 Jan 2013, 1st Annual Active and Passive RF Devices Seminar. 4 ed. Institution of Engineering and Technology, Vol. 2013. p. 11-14 4 p.

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

Open Access
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7 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)

A tapered multi-gap multi-aperture pseudospark-sourced electron gun based X-band slow wave oscillator

Kumar, N., Lamba, R. P., Hossain, A. M., Pal, U. N., Phelps, A. D. R. & Prakash, R., 20 Nov 2017, In : Applied Physics Letters. 111, 21, 4 p., 213502.

Research output: Contribution to journalArticle

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

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

14 Citations (Scopus)

A W-band gyrotron traveling wave amplifier based on a cusp electron gun

Donaldson, C. R., He, W., Zhang, L., Cross, A., MCELHINNEY, P., Phelps, A. D. R. & Ronald, K., 15 Dec 2011, 2011 International Conference on Infrared, Millimeter, and Terahertz Waves. IEEE, 2 p.

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

A W-band gyrotron traveling wave amplifier experiment

He, W., Donaldson, C. R., Zhang, L., McElhinney, P., Phelps, A. D. R., Ronald, K. & Cross, A. W., 13 Nov 2014, International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. IEEE, 2 p. 6956491

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

A W-band gyrotron travelling wave amplifier using a helically corrugated waveguide

He, W., Phelps, A. D. R., Cross, A. W., Donaldson, C. R. & Ronald, K., 21 May 2012, 2008 17th International Conference on High Power Particle Beams (BEAMS). Piscataway, NJ: IEEE

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

A W-band gyro-twa based on a CUSP electron gun and helically corrugated waveguide

Donaldson, C. R., He, W., Zhang, L., McElhinney, P., Phelps, A. D. R., Cross, A. W. & Ronald, K., 24 Dec 2012, 2012 Abstracts IEEE International Conference on Plasma Science. Piscataway, N.J.: IEEE, 1 p.

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

Backward wave cyclotron-maser emission in the auroral magnetosphere

Speirs, D. C., Bingham, R., Cairns, R. A., Vorgul, I., Kellett, B. J., Phelps, A. D. R. & Ronald, K., 7 Oct 2014, In : Physical Review Letters. 113, 15, 5 p., 155002.

Research output: Contribution to journalArticle

Open Access
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15 Citations (Scopus)
49 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)

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

Coherent summation of emission from relativistic Cherenkov sources as a way of production of extremely high-intensity microwave pulses

Ginzburg, N. S., Cross, A. W., Golovanov, A. A., Phelps, A. D. R., Romanchenko, I. V., Rostov, V. V., Sharypov, K. A., Shpak, V. G., Shunailov, S. A., Ul'masculov, M. R., Yalandin, M. I. & Zotova, I. V., 29 Jan 2016, In : IEEE Transactions on Plasma Science. 44, 4, p. 377-385 9 p.

Research output: Contribution to journalArticle

Open Access
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14 Citations (Scopus)
116 Downloads (Pure)

Cold test of a G-band sheet beam backward wave oscillator

Liu, G., He, W., Cross, A. W., Zhang, L., Yin, H., Ronald, K. & Phelps, A. D. R., 19 Sep 2014, International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. IEEE, 2 p. 6956508

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

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)

Computational and experimental study of beam-plasma instabilities relevant to fast-ignition inertial confinement fusion

King, M., Speirs, D. C., Bingham, R., McConville, S. L., Bryson, R., Gillespie, K. M., Phelps, A. D. R., Cross, A. W., Whyte, C. G., Cairns, R. A., Vorgul, I., Trines, R. M. G. M. & Ronald, K., 1 Jul 2013, 40th EPS Conference on Plasma Physics, EPS 2013. Naulin, V., Angioni, C., Borghesi, M., Ratynskaia, S., Poedts, S., Donné, T., Kurki-Suonio, T., Äkäslompolo, S., Hakola, A. & Airila, M. (eds.). Mulhouse, Vol. 1. p. 533-536 4 p. (Europhysics Conference Abstract; vol. 37D).

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

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)

Cusp electron gun with modulation electrode for a THz gyro-amplifier

Zhang, L., Donaldson, C. R., He, W., Phelps, A. D. R. & Cross, A. W., 21 Oct 2019, 44th International Conference on Infrared, Millimeter, and Terahertz Waves. Piscataway, NJ: IEEE, 2 p. 8874517

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

Open Access
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4 Downloads (Pure)

Cyclotron maser emission: stars, planets, and laboratory

Vorgul, I., Kellett, B. J., Cairns, R. A., Bingham, R., Ronald, K., Speirs, D. C., McConville, S. L., Gillespie, K. M. & Phelps, A. D. R., May 2011, In : Physics of Plasmas. 18, 5, p. - 7 p., 056501.

Research output: Contribution to journalArticle

17 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

13 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
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25 Citations (Scopus)
173 Downloads (Pure)
Open Access
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50 Citations (Scopus)
95 Downloads (Pure)

Demonstration of a high power broadband mm-wave gyro-TWA

He, W., Zhang, L., Donaldson, C. R., 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. 8068471

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

Open Access
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15 Downloads (Pure)

Demonstration of a planar W-band, kW-level extended interaction oscillator based on a pseudospark-sourced sheet electron beam

Shu, G., Yin, H., Zhang, L., Zhao, J., Liu, G., Phelps, A., Cross, A. & He, W., 17 Jan 2018, In : IEEE Electron Device Letters . 39, 3, p. 432-435 4 p.

Research output: Contribution to journalLetter

Open Access
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21 Citations (Scopus)
25 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 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
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81 Downloads (Pure)