Publications

This is a list of recent publications from the RELD group.

Please also see a listing of some of our recent conference publications.

2013

W. He, C.R. Donaldson, L. Zhang, K. Ronald, P. McElhinney, and A.W. Cross, "High power wideband gyrotron backward wave oscillator operating towards the terahertz region," Phys. Rev. Lett. 110, 165101, 2013.

P. McElhinney, C.R. Donaldson, L. Zhang, and W. He, "A high directivity broadband corrugated horn for W-band gyro-devices," IEEE Trans. Antennas Propag. 61, pp. 1453-1456, 2013.

I.V. Konoplev, A.R. Phipps, A.D.R. Phelps, C.R. Robertson, K. Ronald, and A.W. Cross, "Surface field excitation by an obliquely incident wave," Appl. Phys. Lett., 102, 1441106, 2013.

C.R. Donaldson, W. He, L. Zhang, and A.W. Cross, "A W-band multi-layer microwave window for pulsed operation of gyro-devices," IEEE Microw. Wireless Compon. Lett., 23, pp. 237-239, 2013.

2012

C.G. Whyte, K. Ronald, A.R. Young, W. He, C.W. Robertson, D.H. Rowlands, and A.W. Cross, "Wideband gyro-amplifiers," IEEE Trans. Plasma Sci. 40, pp. 1303-1310, 2012.

C.W. Robertson, A.R. Young, K. Ronald, A.W. Cross, and C.G. Whyte, "Design of a triodelike electron gun for millimeter-wave gyrodevices," IEEE Trans. Elect. Dev. 59, pp. 2520-2523, 2012.

D.A. Constable, K. Ronald, W. He, A.D.R. Phelps, A.W. Cross, A.V. Savilov, V.L. Bratman, and I.V. Bandurkin, "Numerical simulations of a co-harmonic gyrotron," J. Phys. D: Appl. Phys. 45, 065105, 2012.

I.V. Konoplev, A.J. MacLachlan, C.W. Robertson, A.W. Cross, and A.D.R. Phelps, "Cylindrical, periodic surface lattice-Theory dispersion analysis, and experiment," Appl. Phys. Lett 101, 121111. 2012.

L. Zhang, C.R. Donaldson and W. He, "Design and measurement of a polarization converter based on a truncated circular waveguide," J. Phys. D: Appl. Phys. 45, 345103, 2012.

L. Zhang, W. He, K. Ronald, A.D.R. Phelps, C.G. Whyte, C.W. Robertson, A.R. Young, C.R. Donaldson, and A.W. Cross, "Multi-mode coupling wave theory for helically corrugated waveguide," IEEE Trans. Microw. Theory Tech. 60, pp. 1-7, 2012.

2011

H. Yin, D. Bowes, A.W. Cross, W. He, K. Ronald, A.D.R. Phelps, D. Li, and X. Chen, "Pseudospark-sourced micro-sized electron beams for high frequency klystron applications" TST 4, pp. 71-75, 2011.

I.V. Konoplev, A.W. Cross, and A.D.R. Phelps, "Relativistic electron beam excitation of surface fields in artificial materials based on one- and two-dimensional periodic structures" IEEE Trans. Plasma Sci. 39, pp. 2610-2612, 2011.

I.V. Konoplev, A.J. MacLachlan, C.W. Robertson, A.W. Cross, and A.D.R. Phelps, "Cylindrical periodic surface lattice as a metadielectric: concept of a surface-field Cherenkov source of coherent radiation," Phys. Rev. A 84, 013826, 2011.

I. Vorgul, B.J. Kellett, R.A. Cairns, R. Bingham, K. Ronald, D.C. Speirs, S.L. McConville, K.M. Gillespie, and A.D.R. Phelps, "Cyclotron maser emission: stars, planets, and laboratory," Phys. Plasmas 18, 056501, 2011.

K. Ronald, D.C. Speirs, S.L. McConville, K.M. Gillespie, A.D.R. Phelps, R. Bingham, I. Vorgul, R.A. Cairns, A.W. Cross, C.W. Robertson, C.G. Whyte, W. He, and B.J. Kellett, "Auroral magnetospheric cyclotron emission processes: numerical and experimental simulations," Plasma Phys. Control. Fusion 53, 074015, 2011.

L. Zhang, W. He, C.R. Donaldson A.W. Cross, A.D.R. Phelps, P. McElhinney, and K. Ronald, "W-band gyro-BWO with a four-stage depressed collector," TST 4, pp. 76-84, 2011.

R.A. Cairns, I. Vorgul, R. Bingham, K. Ronald, D.C. Speirs, S.L. McConville, K.M. Gillespie, R. Bryson, A.D.R. Phelps, B.J. Kellett, A.W. Cross, C.W. Robertson, C.G. Whyte, and W. He, "Cyclotron maser radiation from inhomogeneous plasmas," Phys. Plasmas 18, 022902, 2011.

S.L. McConville, M.E. Koepke, K.M. Gillespie, K. Matheson, C.G. Whyte, C.W. Robertson, and D.C. Speirs, "Characterization of a Penning discharge for investigation of auroral radio wave generation mechanisms," Plasma Phys. Control. Fusion 53, 124040, 2011.

W. He, C.R. Donaldson, L. Zhang, K. Ronald, A.D.R. Phelps, and A.W. Cross, "Numerical simulation of a gyro-BWO with a helically corrugated interaction region, cusp electron gun and depressed collector," ISBNL 978-953-307-620-1. InTech.

W. He, C.R. Donaldson, F. Li, L. Zhang, A.W. Cross, A.D.R. Phelps, K. Ronald, C.W. Robertson, C.G. Whyte and A.R. Young, "W-band gyro-devices using helically corrugated waveguide and cusp gun: design, simulation and experiment," TST 4, pp. 9-19, 2011.

V.L. Bratman, G.G. Denisov, N.G. Kolganov, S.V. Mishakin, S.V. Samsonov, A.W. Cross, W. He, L. Zhang, M. McStravick, C.G. Whyte, A.R. Young, K. Ronald, C.W. Robertson, and A.D.R. Phelps, "Compression of 3 GW pulses in X-band from a combination of a relativistic BWO and a helical waveguide compressor," Phys. Plasmas 17, 110703, 2011.

2010

C.R. Donaldson, W. He, A.W. Cross, F. Li, A.D.R. Phelps, L. Zhang, K. Ronald, C.W. Robertson, C.G. Whyte, and A.R. Young, "A cusp electron gun for millimetre wave gyrodevices," Appl. Phys. Lett. 96, 141501, 2010.

D.A. Constable, X.S. Fampris, K. Ronald, W. He, C.G. Whyte, and C.W. Robertson, "A novel cylindrical TE2,1 mode converter," Rev. Sci. Instrum. 81, 094702, 2010.

D.C. Speirs, K. Ronald, S.L. McConville, K.M. Gillespie, A.D.R. Phelps, A.W. Cross, R. Bingham, C.W. Robertson, C.G. Whyte, W. He, I. Vorgul, R.A. Cairns, and B.J. Kellett, "Numerical investigation of auroral cyclotron maser processes," Phys. Plasmas, 17, 056501, 2010.

F. Li, W. He, A.W. Cross, C.R. Donaldson, L. Zhang, A.D.R. Phelps, and K. Ronald, "Design and simulation of a ~390 GHz seventh harmonic gyrotron using a large orbit electron beam," J. Phys. D: Appl. Phys. 43, 155204, 2010.

I.V. Konoplev, L. Fisher, A.W. Cross, A.D.R. Phelps, K. Ronald, and M. Thumm, "Excitation of surface field cavity and coherence of electromagnetic field scattering on two-dimensional cylindrical lattice," Appl. Phys. Lett. 97, 261102, 2010.

I.V. Konoplev, L. Fisher, K. Ronald, A.W. Cross, A.D.R. Phelps, C.W. Robertson, C.W. Robertson, and M. Thumm, "Surface-field cavity based on a two-dimensional cylindrical lattice," Appl. Phy. Lett. 96, 231111, 2010.

I.V. Konoplev, P. MacInnes, A.W. Cross, L. Fisher, A.D.R. Phelps, W. He, K. Ronald, C.G. Whyte, and C.W. Robertson, "High-current electron beams for high-power free-electron masers based on two-dimensional periodic lattices," IEEE Trans. Plasma Sci. 38, pp. 751-763, 2010.

I.V. Konoplev, L. Fisher, A.W. Cross, A.D.R. Phelps, K. Ronald, and C.W. Robertson, "Surface wave Cherenkov maser based on a periodic lattice" Appl. Phys. Lett. 96, 261101, 2010.

M. McStravick, S.V. Samsonov, K. Ronald, S.V. Mishakin, W. He, G.G. Denisov, C.G. Whyte, V.L. Bratman, A.W. Cross, P. MacInnes, C.W. Robertson, and A.D.R. Phelps, "Experimental results on microwave pulse compression using helically corrugated waveguide," J. Appl. Phys. 108, 054908, 2010.

V.L. Bratman, G.G. Denisov, N.G. Kolganov, S.V. Mishakin, S.V. Samsonov, A.W. Cross, W. He, L. Zhang, M. McStravick, C.G. Whyte, A.R. Young, K. Ronald, C.W. Robertson, and A.D.R. Phelps, "Generation of 3 GW microwave pulses in X-band from a combination of relativistic backward-wave oscillator and a helical-waveguide compressor," Phys. Plasmas 17, 110703, 2010.

2009

A.V. Arzhannikov, A.W. Cross, N.S. Ginzburg, W. He, P.V. Kalinin, I.V. Konoplev, S.A. Kuznetsov, N.Y. Peskov, A.D.R. Phelps, C.W. Robertson, K. Ronald, A.S. Sergeev, S.L. Sinitsky, V.D. Stepanov, M. Thumm, C.G. Whyte, and V.Y. Zaslavsky, "Production of powerful spatially coherent radiation in planar and coaxial FEM exploting two-dimensional distributed feedback," IEEE Trans. Plasma Sci. 37, pp. 1792-1800, 2009.

H. Yin, A.W. Cross, W. He, A.D.R. Phelps, K. Ronald, D. Bwoes, and C.W. Robertsion, "Millimeter wave generation from a pseudospark-sourced electron beam," Phys. Plasmas 16, 063105, 2009.

L. Zhang, W. He, A.W. Cross, A.D.R. Phelps, K. Ronald, and C.G. Whyte, "Numerical optimization of a multistage depressed collector with secondary electron emission for an X-band gyro-BWO," IEEE Trans. Plasma Sci. 37, pp. 2328-2334, 2009.

L. Zhang, W. He, A.W. Cross, A.D.R. Phelps, K. Ronald, and C.G. Whyte, "Design of an energy recovery system for a gyrotron backward-wave oscillator," IEEE Trans. Plasma Sci. 37, pp. 309-394, 2009.

C.R. Donaldson, W. He, A.W. Cross. A.D.R. Phelps, F. Li, K. Ronald, C.W. Robertson, C.G. Whyte, A.R. Young, and L. Zhang, "Design and numerical optimization of a cusp-gun-based electron beam for millimetre-wave gyro-devices," IEEE Trans. Plasma Sci. 37, pp. 2153-2157, 2009.

N.S. Ginzburg, N.Y. Peskov, A.S. Sergeev, V.Y. Zaslavsky, I.V. Konoplev, L. Fisher, K. Ronald, A.D.R. Phelps, A.W. Cross, and M. Thumm, "Mechanism of azimuthal mode selectron in two-dimensional coaxial Bragg structures," J. Appl. Phys. 105, 124519, 2009.

2008

D.C. Speirs, S.L. McConville, K.M. Gillespie, K. Ronald, A.D.R. Phelps, A.W. Cross, R. Bingham, C.W. Cross, C.G. Whyte, I. Vorgul, R.A. Cairns, and B.J. Kellet, "Numerical simulation of auroral cyclotron maser processes," Plasma Phys. Control Fus. 50, 074011, 2008.

I.V. Konoplev, P. MacInnes, A.W. Cross, A.D.R. Phelps, C.G. Whyte, L. Fisher, and K. Ronald, "Wave propagation and tunnelling through periodic structures," Appl. Phys. Lett. 93, 231110, 2008.

I.V. Bandurkin, V.L. Bratman, G.G. Denisov, K.Y. Kalynov, A.V. Savilov, A.W. Cross, W. He, K. Ronald, A.D.R. Phelps, "Single-cavity gyromultiplyers," TST, 1, pp. 169-189, 2008.

K. Ronald, S.L. McConville, D.C. Speirs, A.D.R. Phelps, C.W. Robertson, C.G. Whyte, K.M. Gillespie, A.W. Cross, and R. Bingham, "Electron beam measurements for a laboratory simulation of auroral kilometric radiation," Plasma Sources Sci. Technol. 17, 035011, 2008.

K. Ronald, D.C. Speirs, S.L. McConville, A.D.R. Phelps, C.W. Robertson, C.G. Whyte, W. He, K.M. Gillespie, A.W. Robertson, and R. Bingham, "Radio frequency resonator structure and diagnostic measurements for a labaoratory simulation of auroral kilometric radiation," Phys. Plasmas 15, 056503, 2008.

K.M. Gillespie, D.C. Speirs, K. Ronald, S.L. McConville, A.D.R. Phelps, R. Bingham, A.W. Cross, C.W. Robertson, C.G. Whyte, W. He, I. Vorgul, R.A. Cairns, and B.J. Kellett, "3D PiC code simulations for a laboratory experimental investigation of auroral kilometric radiation mechanisms," Plasma Phys. Control. Fus. 50, 124038, 2008.

S.L. McConville, D.C. Speirs, K. Ronald, A.D.R. Phelps, A.W. Cross, R. Bingham, C.W. Robertson, C.G. Whyte, W. He, K.M. Gillespie, I. Vorgul, R.A. Cairns, and B.J. Kellett, "Demonstration of auoral radio emission machanisms by laboratory experiment," Plasma Phys. Control. Fus. 50, 074010, 2008.

I.V. Konoplev, A.W. Cross, P. MacInnes, W. He, A.D.R. Phelps, C.G. Whyte, K. Ronald, and C.W. Robertson, "Free-electron maser based on a cavity with two- and one-dimensional distributed feedback," Appl. Phys. Lett. 92, 211502, 2008.

W. He, C.G. Whyte, E.G. Rafferty, A.W. Cross, A.D.R. Phelps, K. Ronald, A.R. Young, C.W. Robertson, D.C. Speirs, and D.H. Rowlands, "Axis-encircling electron beam generation using a smooth magnetic cusp for gyrodevices," Appl. Phys. Lett. 93, 121501, 2008.

2007

A.W. Cross, H. Yin, W. He, K. Ronald, A.D.R. Phelps, and L.C. Pitchford, Generation and application of pseudospark-sourced electron beam," J. Appl Phys. 40, pp. 1953-1956, 2007.

A.W. Cross, W. He, A.D.R. Phelps, K. Ronald, C.G. Whyte, A.R. Young, C.W. Robertson, E.G. Rafferty, and J. Thomson, "Helically corrugated waveguide gyrotron travelling wave amplifier using a thermonic cathode electron gun," Appl. Phys. Lett. 90, 253501, 2007.

I.V. Konoplev, P. MacInnes, A.W. Cross, A.D.R. Phelps, and K. Ronald, "Study of one-dimensonal Bragg structures with localized defect," Appl. Phys. Lett. 91, 171107, 2007.

I.V. Konoplev, A.W. Cross, P. MacInnes, W. He, A.D.R. Phelps, C.G. Whyte, C.W. Robertson, and K. Ronald, "Experimental and theoretical studies of a coaxial FEM based on a 2D distribusted feedback," Phys. Rev. E 76, 056406, 2007.

2006

I.V. Konoplev, A.W. Cross, P. MacInnes, W. He, C.G. Whyte, A.D.R. Phelps, C.W. Robertson, K. Ronald, and A.R. Young, "High current oversized annular electron beam formation for high-power microwave research," Appl. Phys. Lett. 89, 171503, 2006.

I.V. Konoplev, G. Doherty, A.W. Cross, A.D.R. Phelps, and K. Ronald, "Photonic band gap control in one-dimension dielectric Bragg structures," Appl. Phys. Lett. 88, 030610, 2006.

I.V. Konoplev, P. McGrane, W. He, A.W. Cross, A.D.R. Phelps, C.G. Whyte, K. Ronald, and C.W. Robertson, "Experimental study of co-axial free-electron maser based on two-dimensional distributed feedback," Phys. Rev. Lett. 96, 035002, 2006.

2005

N.S. Ginzburg, N.Y. Peskov, A.S. Sergeev, A.D.R. Phelps, and A.W. Cross, "Peculiarities of mode spectrum in two-dimensional Bragg structure," Optics Comm. 250, pp. 309-315, 2005.

D.C. Speirs, I. Vorgul, K. Ronald, R. Bingham, R.A. Cairns, A.D.R. Phelps, B.J. Kellet, A.W. Cross, C.G. Whyte, and C.W. Robertson, "A laboratory experiment to investigate auroral kilometric radiation emission mechanism," J. Plasma Phys. 71, pp. 665-667, 2005.

G. Burt, S.V. Samsonov, A.D.R. Phelps, V.L. Bratman, K. Ronald, G.G. Denisov, W. He, A.R. Young, A.W. Cross, and I.V. Konoplev, "Microwave pulse compression using a helically corrugated waveguide," IEEE Trans. Plasma Phys. 33, pp. 661-667, 2005.

I.V. Konoplev, P. McGrane, A.W. Cross, K. Ronald, and A.D.R. Phelps, "Wave interference and band gap control in multiconductur one-dimensional Bragg structure," J. Appl. Phys. 96, 073101, 2005.

W. He, K. Ronald, A.R. Young, A.W. Cross, A.D.R. Phelps, C.G. Whyte, E.G. Rafferty, J. Thomson, C.W. Robertson, D.C. Speirs, S.V. Samsonov, V.L. Bratman, and G.G. Denisov, "Gyro-BWO experiments using a helical interaction waveguide," IEEE Trans. Electron. Dev. 53, pp. 839-844, 2005.

I.V. Konoplev, P. McGrane, A.D.R. Phelps, A.W. Cross, and K. Ronald, "Observation of photoic band-gap control in one-diimensional Bragg structures," Appl. Phys. Lett. 87, 121104, 2005.

2004

D.C. Speirs, A.D.R. Phelps, I.V. Konoplev, A.W. Cross, and W. He, "Simulation of high power broadband CARM amplifier and electron beam experiments," Rev. Sci. Instrum. 45, pp. 826-831, 2004.

G. Burt, S.V. Samsonov, K. Ronald, G.G. Denisov, A.R. Young, V.L. Bratman, A.D.R. Phelps, K. Ronald, A.W. Cross, I.V. Konoplev, J. Thomson, and C.G. Whyte, "Dispersion of helically corrugated waveguides: analytical, numerical and experimental study," Phys. Rev. E. 70, 046402, 2004.

H. Yin, A.W. Cross, W. He, A.D.R. Phelps, and K. Ronald, "Pseudospark experiments Cherenkov interaction and electron beam post-acceleration," IEEE Trans. Plasma Sci. 32, pp. 233-239, 2004.

S.V. Samsonov, A.D.R. Phelps, V.L. Bratman, G.C. Burt, G.G. Denisov, A.W. Cross, K. Ronald, W. He, and H. Yin, "Compression of frequency modulated microwave pulses in waveguides," Phys. Rev. Lett. 92, 18301, 2004.

2003

N.S. Ginzburg, I.V. Zotova, A.S. Sergeev, R.M. Rozental, A.D.R. Phelps, A.W. Cross, and K. Ronald, "Theory of cyclotron superradiance from a moving electron bunch under group synchronism condition," Phys. Plasmas 10, pp. 4494-4504, 2003.

I.V. Konoplev, A.D.R. Phelps, A.W. Cross, and K. Ronald, "Experimental studies of influence of distributed power losses on the transparency of the two-dimensional suface photonic band-gap structure," Phys. Rev. E. 68, 066613, 2003.

A.W. Cross, I.V. Konoplev, A.D.R. Phelps, and K. Ronald, "Studies of surface two-dimensional photonic band-gap structures," J. Appl. Phys. 93, 2003.

2002

N.S. Ginzburg, N.Y. Peskov, A.S. Sergeev, W. He, A.D.R. Phelps, A.W. Cross, and I.V. Konoplev, "The use of a hybrid resonator consisting of one-dimensional and two-dimensional Bragg reflectors for generation of spatially coherent radiation in a coaxial free-electron laster," Phys. Plasmas 8, pp. 2798-2802, 2002.

N.S. Ginzburg, N.Y. Peskov, A.S. Sergeev, W. He, I.V. Konoplev, A.W. Cross, A.D.R. Phelps, G.R.M. Robb, K. Ronald, W. He, and C.G. Whyte, "Theory of free-electron maser with two dimensional distributed feedback driven by an annular electron beam," J. Appl. Phys. 92, pp. 1619-1629, 2002.

H. Yin, A.W. Cross, A.D.R. Phelps, D. Zhu, W. He, and K. Ronald, "Propagation and post-acceleration of a pseudospark-sourced electron beam," J. Appl. Phys. 91, pp. 5419-5422, 2002.

A.W. Cross, W. He, I.V. Konoplev, A.D.R. Phelps, K. Ronald, N.S. Ginzburg, N.Y. Peskov, and A.S. Sergeev, "Experimental studies of two-dimensional coaxial Bragg structures for a high power free electron maser," Appl. Phys. Lett. 80, pp. 1517-1519, 2002.

2001

W. He, H. Yin, A.D.R. Phelps, A.W. Cross, and S.N. Spark, "Study of fast, high-impedance, high voltage pulse divider," Rev. Sci. Instrum. 72, pp. 4266-4269, 2001.

H. Yin, W. He, A.W. Crpss, A.D.R. Phelps, and K. Ronald, "Experimental investigation of a single-gap pseudospark discharge," J. Appl. Phys. 90, pp. 3212-3218, 2001.

K. Ronald, A.W. Cross, A.D.R. Phelps, and W. He, "Observation of dynamic behaviour in an electron cyclotron maser oscillator," J. Phys. D: Appl. Phys. 34, 2001.

W. He, S.J. Cooke, A.W. Cross, and A.D.R. Phelps, "Simultaneous axial and rotational electron beam velocity measurements using a phosphor scintillator," Rev. Sci. Instrum. 72, pp. 2268-2270, 2001.

N.S. Ginzburg, N.Y. Peskov, A.S. Sergeev, A.V. Arzhannikov, S.L. Sinitsky, P.V. Kalinin, A.D.R. Phelps, A.W. Cross, and I.V. Konoplev, "Progress in the development of high power FELs with two dimensional Bragg resonators," Nuclear Inst. And Methods in Physics Research, A, 475, pp. 287-295, 2001.

A.W. Cross, W. He, I.V. Konoplev, A.D.R. Phelps, G.R.M. Robb, K. Ronald, C.G. Whyte, N.S. Ginzburg, N.Y. Peskov, and A.S. Sergeev, "Experimental and theoretical study of 2-D Bragg structures for a coaxial free electron maser," Nuclear Inst. And Methods in Physics Research, A, 475, pp. 164-172, 2001.

2000

M.I. Yalandin, V.G. Shpak, S.A. Shunailov, M.R. Oulmaskoulov, N.S. Ginzburg, I.V. Zotova, Y.V. Novozhilova, A.S. Sergeev, A.D.R. Phelps, A.W. Cross, S.M. Wiggins, and K. Ronald, "Generation of powerful subnanosecond microwave pulses in the range of 38-150 GHz," IEEE Trans. Plasma Sci. 28, pp. 1615-1619, 2000.

H. Yin, G.R.M. Robb, W. He, A.D.R. Phelps, A.W. Cross, and K. Ronald, "Pseudospark-based electron beam and Cherenkov maser experiments," Phys. Plasmas 7, pp. 5195-5205, 2000.

I.V. Konoplev, A.W. Cross, W. He, A.D.R. Phelps, K. Ronald, G.R.M. Robb, C.G. Whyte, N.S. Ginzburg, N.Y. Peskov, and A.S. Sergeev, "Progress of the Strathclyde free electro 2n maser experiment using a 2D Bragg structure," Nuclear Inst. And Methods in Physics Research, A, 445, pp. 236-240, 2000.

D.A. Jaroszynski, S.M. Wiggins, B.W.J. McNeil, G.R.M. Robb, P. Aitken, A.D.R. Phelps, A.W. Cross, K. Ronald, V.G. Shpak, M.I. Yalandin, and N.S. Ginzburg, "Superradiance driven by a coherent spontaneous emission in a Cherenkov free-electron maser amplifier," Nucl. Instrum. Methods Phys. Res. Sect. A, 445, pp. 261-266, 2000.

C.G. Whyte, D.A. Jaroszynski, A.W. Cross, W. He, K. Ronald, A.R. Young, and A.D.R. Phelps, "Free electron maser amplifier experiments," Nucl. Instrum. Methods Phys. Res. Sect. A, 445, pp. 272-275, 2000.

S.M. Wiggins, D.A. Jaroszynski, B.M.J. McNeil, G.R.M. Robb, P. Aitken, A.D.R. Phelps, A.W. Cross, K. Ronald, N.S. Ginzburg, V.G. Shpak, M.I. Yalandin, S.A. Shunailov, and M.R. Ulmaskulov, "Self-amplification of coherent spontaneous emission in a Cherekov free-electron maser," Phys. Rev. Lett. 84, pp. 2393-2396, 2000.

V.L. Bratman, A.W. Cross, G.G. Denisov, W. He, A.D.R. Phelps, K. Ronald, S.V. Samsonov, C.G. Whyte, and A.R. Young, "High-gain wide-band gyro-travelling wave amplifier with a helically corrugated waveguide," Phys. Rev. Lett. 84, pp. 2746-2749, 2000.

N.S. Ginzburg, A.S. Sergeev, Y.V. Novozhilova, I.V. Zotova, R.N. Rosental, A.D.R. Phelps, A.W. Cross, P. Aitken, V.G. Shpak, M.I. Yalandin, S.A. Shunailov, and M.R. Ulmaskulov, "Experimental observation of Cherenkov superradiance from an intense electron bunch," Optics Comm. 175, pp. 139-146, 2000.

1999

M.I. Yalandin, V.G. Shpak, S.A. Shunailov, M.R. Ulmaskulov, N.S. Ginzburg, A.S. Sergeev, A.D.R. Phelps, A.W. Cross, K. Ronald, and S.M. Wiggins, "Generation of subnanosecond superradiation pulses in the short-wavelength part of the millimetre wavelength range," Tech. Phys. Lett. 25, pp. 927-929, 1999.

N.S. Ginzburg, I.V. Zotova, S.S. Alexander, A.D.R. Phelps, A.W. Cross, V.G. Shpak, M.I. Yalandin, and V.P. Tarakanov, "Generation of ultrashort microwave pulses based on cyclotron superradiance," IEEE Trans. Plasma Sci. 27, pp. 462-469, 1999.

N.S. Ginzburg, N.Y. Novozhilova, I.V. Zotova, A.S. Sergeev, N.Y. Peskov, A.D.R. Phelps, S.M. Wiggins, A.W. Cross, K. Ronald, W. He, V.G. Shpak, M.I. Yalandin, S.A. Shunailov, M.R. Ulmaskulov, and V.P. Tarakanov, "Generation of powerful subnanosecon microwave pules by intense electron bunches moving in a periodic backward wave structure in the superradative regime," Phys. Rev. E 60, pp. 3297-3304, 1999.

N.S. Ginzburg, N.Y. Peskov, A.S. Sergeev, A.D.R. Phelps, I.V. Konoplev, G.R.M. Robb, A.W. Cross, A.V. Arzhannikov, and S.L. Sinitsky, "Theory and design of a free-electron maser with two-dimensional feedback driven by a sheet electron beam," Phys. Rev. E 60, pp. 935-945, 1999.

H. Yin, W. He, G.R.M. Robb, A.D.R. Phelps, K. Ronald, A.W. Cross, "Coherent microwave generation from a pseudispark cathode Cherenkov master," Phys. Rev. ST. Accel. Beams 2, 020701, 1999.

N.S. Ginzburg, N.Y. Peskov, I.V. Zotova, A.S. Sergeev, A.D.R. Phelps, A.W. Cross, W. He, K. Ronald, V.G. Shpak, M.I. Yalandin, S.A. Shunailov, and M.R. Ulmaskulov, "Experimental observation of wiggler superradiance under group synchronism condition," Nucl. Instrum. Methods Phys. Res. Sect. A, 429, pp. 94-100, 1999.

1998

K. Ronald, A.W. Cross, A.D.R. Phelps, W. He, H. Yin, and S.N. Spark, "Explosive cathode gyrotron experiments," IEEE Trans. Plasma Sci. 26, pp. 375-382, 1998.

H. Yin, A.D.R. Phelps, W. He, G.R.M. Robb, K. Ronald, P. Aitken, B.M.J. McNeil, A.W. Cross, and C.G. Whyte, "A pseudospark cathode Cherenkov maser: theory and experiment," Nucl. Instrum. Methods Phys. Res. Sect. A 407, pp. 175-180, 1998.

A.W. Cross, N.S. Ginzburg, W. He, D.A. Jaroszynski, N.Y. Peskov, A.D.R Phelps, and C.G. Whyte, "A 32GHz Bragg free-electron maser (FEM) oscillator with axial guide magnetic field," Nucl. Instrum. Methods Phys. Res. Sect. A 407, pp. 181-186, 1998.

N.S. Ginzburg, N.Y. Novozhilova, I.V. Zotova, A.S. Sergeev, A.D.R. Phelps, A.W. Cross, S.M. Wiggins, W. He, K. Ronald, V.G. Shpak, M.I. Yalandin, S.A. Shunailov, M.R. Ulmaskulov, and V.P. Tarakanov, "Generation of superradiance pulses by high current subnanosecond electron bunches moving in a periodic slow-wave structuire," Tech. Phys. Lett. 24, pp. 709-711, 1998.

G.G. Denisov, V.L. Bratman, A.W. Cross, W. He, A.D.R. Phelps, K. Ronald, S.V. Samsonov, and C.G. Whyte, "Gyrotron travelling wave amplifier with a helical interaction waveguide," Phys. Rev. Lett. 81, pp. 5680-5683, 1998.

1997

N.S. Ginzburg, A.S. Sergeev, I.V. Zotova, N.Y. Novozhilova, N.Y. Peskov, I.V. Konoplev, A.D.R. Phelps, A.W. Cross, S.J. Cooke, P. Aitken, V.G. Shpak, M.I. Yalandin, S.A. Shunailov, and M.P. Ulmaskulov, "Experimental observation of superradiance in millimetre-wave band," Nucl. Instrum. Methods Phys. Res. Sect. A 393, pp. 709-711, 1997

M.I. Yalandin, S.A. Shunailov, V.G. Shpak, N.S. Ginzburg, I.V. Zotova, A.S. Sergeev, A.D.R. Phelps, A.W. Cross, and P. Aitken, "Chernkov supperadiance from subnanosecond electron bunch in a sectional decelerating system," Tech. Phys. Lett. 23, pp. 948-950, 1997.

N.S. Ginzburg, I.V. Zotova, A.S. Sergeev, I.V. Konoplev, A.D.R. Phelps, A.W. Cross, S.J. Cooke, V.G. Shpak, M.I. Yalandin, S.A. Shunailov, and M.R. Ulmaskulov, "Experimental observation of cyclotron supperradiance under group synchronism conditions," Phys. Rev. Lett. 78, pp. 2365-2368, 1997.

1996

S.J. Cooke, A.W. Cross, W. He, and A.D.R. Phelps, "Experimental operation of a cyclotron autoresonance maser oscillator at the second harmonic," Phys. Rev. Lett. 77, pp. 4836-4839, 1996.

M. Garven, S.N. Spark, A.W. Cross, S.J. Cooke, and A.D.R. Phelps, "Gyrotron experiments employing a field emission array cathode," Phys. Rev. Lett. 77, pp. 2320-2323, 1996.

1995

A.W. Cross, S.N. Spark, and A.D.R. Phelps, "Gyrotron experiments using cavities of different ohmic Q," Int. J. Electronics 79, pp. 481-493, 1995.

1994

S.N. Spark, A.W. Cross, A.D.R. Phelps, and K. Ronald, "Megawhatt 330Hz PRF tunable gyrotron experiments," Int. J. Infrared Milli. Waves 15, pp. 2003-2017, 1994.

1992

S.N. Spark, A.W. Cross, and A.D.R. Phelps, "Gyrotron based on a superconducting magnet," Int. J. Infrared Milli. Waves 13, pp. 625-646, 1992.