Publications

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Journal Article
W.H Urbanus, V.L Bratman, W.A Bongers, M. Caplan, G.G Denisov, C.AJ van der Geer, P. Manintveld, B. Militsyn, A.AM Oomens, A.J Poelman et al.,  A high power, tunable free electron maser for fusion, Fusion Engineering and Design 53 (2001) 423-430.
W.H Urbanus, W.A Bongers, C.AJ van der Geer, P. Manintveld, J. Plomp, J. Pluygers, A.J Poelman, P.HM Smeets, A.GA Verhoeven, V.L Bratman et al.,  High-power electrostatic free-electron maser as a future source for fusion plasma heating: Experiments in the short-pulse regime, Physical Review E 559 (1999) 6058-6063.
W.H Urbanus, W.A Bongers, V. Bratman, C.AJ van der Geer, MF Graswinckel, P. Manintveld, B.L Militsyn, A. Savilov,  Long-pulse operation at constant output power and single-frequency mode of a high-power electrostatic free-electron maser with depressed collector, Physical Review Letters 2189 (2002) 
C.AJ van der Geer, R.J Bakker, A.FG van der Meer, P.W van Amersfoort, W.A Gillespie, G. Saxon, M.W Poole,  A Low-Energy-Spread Rf Accelerator for a Far-Infrared Free-Electron Laser, Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment 2-3334 (1993) 607-616.
M. Valentini, C.AJ van der Geer, A.GA Verhoeven, M.J van der Wiel, W.H Urbanus,  Low-loss electron beam transport in a high-power, electrostatic free-electron maser, Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment 3390 (1997) 409-416.
A.FG van der Meer, R.J Bakker, C.AJ van der Geer, P.W van Amersfoort,  Measurements of the Length of Intense Electron Bunches Using a Capacitive Probe and a 20-Ghz Sampling Oscilloscope, Review of Scientific Instruments 1262 (1991) 2904-2909.
A.V Savilov, V.L Bratman, G.G Denisov, W.A Bongers, C.AJ van der Geer, P. Manintveld, B.L Militsyn, A.GA Verhoeven, W.H Urbanus,  Mode dynamics in a free electron maser with broadband frequency-dispersive feedback, Physics of Plasmas 28 (2001) 638-642.
A.FG van der Meer, R.J Bakker, C.AJ van der Geer, D. Oepts, P.W van Amersfoort, W.A Gillespie, P.F Martin, G. Saxon,  Optimization of the Felix Accelerator with Respect to Laser Performance, Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment 1-3331 (1993) 282-286.
M. Caplan, W.A Bongers, A.GA Verhoeven, C.AJ van der Geer, M. Valentini, W.H Urbanus,  Prediction of the FOM FEM experimental results using multi-mode time-dependent simulations, Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment 1-3407 (1998) 45-49.
V.L Bratman, G.G Denisov, A.V Savilov, W.A Bongers, C.AJ van der Geer, P. Manintveld, A.GA Verhoeven, W.H Urbanus,  Spurious excitation of near-cutoff modes in free-electron masers, Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment 1-3445 (2000) 1-6.
B.JH Meddens, P.FM Delmee, C.AJ van der Geer, P. Manintveld, A.FG van der Meer, P.W van Amersfoort,  Stabilization of the Output Power of a 20-Mw Klystron to within 0.1-Percent, Review of Scientific Instruments 864 (1993) 2306-2311.
P.W van Amersfoort, R.WB Best, R. Vanbuuren, P.FM Delmee, B. Faatz, C.AJ van der Geer, D.A Jaroszynski, P. Manintveld, W.J Mastop, B.JH Meddens et al.,  Status and Research Objectives of the Dutch Free-Electron Laser for Infrared Experiments, Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment 1-3296 (1990) 217-221.
W.H Urbanus, W.A Bongers, G. van Dijk, C.AJ van der Geer, S. de Kroon, P. Manintveld, J. Pluygers, A.B Sterk, M. Valentini, A.GA Verhoeven et al.,  Status, commissioning of the 1 MW, 130-260 GHz fusion-FEM, Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment 1-3375 (1996) 401-402.
P.W van Amersfoort, R.WB Best, B. Faatz, C.AJ van der Geer, W.J Mastop, B.JH Meddens, A.FG van der Meer, D. Oepts, M.J van der Wiel,  Status of the Dutch Free-Electron Laser for Infrared Experiments, Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment 1-2285 (1989) 67-70.
A.V Savilov, V.L Bratman, G.G Denisov, W.A Bongers, C.AJ van der Geer, P. Manintveld, A.GA Verhoeven, W.H Urbanus,  Temporal dynamics of Fusion-FEM oscillations: comparison of experiment and simulations, Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment 1-3429 (1999) 46-51.
W.A Gillespie, P.F Martin, A.M MacLeod, A.J Macdonald, R.J Bakker, C.AJ van der Geer, A.FG van der Meer, P.W van Amersfoort,  Time-Resolved Electron Spectrum Measurements on the Felix Facility, Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment 1-3331 (1993) 786-790.
P.W van Amersfoort, R.J Bakker, J.B Bekkers, R.WB Best, R. Vanbuuren, P.FM Delmee, B. Faatz, C.AJ van der Geer, P. Hellingman, D.A Jaroszynski et al.,  Update on Felix, Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment 1-3304 (1991) 163-167.
Report
C.AJ van der Geer,  Study of profile control and supra-thermal electron production with electron cyclotron waves, RR 86-171 (1987) PDF icon RR86-171.pdf (2.36 MB)
C.AJ van der Geer,  Theorie and design of a Te01-Te11 mode converter, RR 86-163 (1986) PDF icon RR86-163.pdf (751.14 KB)
Thesis
C.AJ van der Geer,  FELIX : design and instrumentation, PhD (1999) 

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