CONTENTS
P r e f a c e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix
RF 2003 Program Committee M e m b e r s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi
The TESLA RF System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
S. Choroba for the TESLA Collaboration
SLAC RF Source Research at X-Band . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
D. Sprehn
Design of a 11.4 GHz, 150-MW, Sheet Beam, PPM-Focused K l y s t r o n . . . . . . . . . . 22
G. Caryotakis, A. Krasnykh, M. Neubauer, R. Phillips, G. Scheitrum,
D. Sprehn, R. Steele, A. Jensen, and D. Smithe
A 71 dB Gain, High Efficiency Relativistic Klystron using a
High Current Linear Accelerator Traveling Wave Buncher
Output S t r u c t u r e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
J. Haimson and B. Mecklenburg
Current HPM Source Research (abstract only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
T. A. Spencer
Deep Space C3: High Power U p l i n k s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
M. A. Kodis, D. S. Abraham, and D. D. Morabito
A Comparison Study of Multi-Beam Klystron (MBK) and Single
Beam TWT A b i l i t i e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
E. A. Gelvich
Multiple-Beam Amplifier Development at the Naval
Research Laboratory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
K. T. Nguyen, D. Pershing, D. K. Abe, B. Levush, F. Wood, A. N. Vlasov,
T. M. Antonsen, Jr., J. P. Calame, J. Pasour, M. Cusick, M. Catellino, and
E. Wright
Current Status of Gyroklystron Research at the
University of Maryland . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
E. S. Gouveia, W. Lawson, B. Hogan, K. Bharathan, and V. L. Granatstein
34 GHz, 45 MW Pulsed Magnicon: First Results (abstract only) . . . . . . . . . . . . . . 89
O. A. Nezhevenko, M. A. LaPointe, V. P. Yakovlev, and J. L. Hirshfield
Development of Multiple Beam Guns for High Power RF Sources for
Accelerators and Colliders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
R. L. Ives, G. Miram, A. Krasnykh, V. Ivanov, D. Marsden, M. Mizuhara,
T. Robinson, R. Wilcox, and J. Guevara
Development of an X-Band 50 MW Multiple Beam Klystron . . . . . . . . . . . . . . . . 100
L. Song, P. Ferguson, R. L. Ives, G. Miram, D. Marsden, and M. Mizuhara
A Gridded Electron Gun for a Sheet Beam Klystron (abstract only) . . . . . . . . . . 107
M. E. Read, G. Miram, R. L. Ives, V. Ivanov, and A. Krasnykh
Some Research Experiences in Microwave Tubes 1946 to 1961; From
the TWT to the First L a s e r . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
C. K. Birdsall
Old Know-How in Helix TWT Development in the U S S R . . . . . . . . . . . . . . . . . . . 112
Y. N. Pchelnikov
3D Design Tools for Vacuum Electron Devices (abstract only)................ 123
B. Levush
TESLA: Large Signal Simulation Code for Klystrons (abstract only) . . . . . . . . . 125
A. N. Vlasov, T. M. Antonsen, Jr., S. J. Cooke, K. T. Nguyen,
D. P. Chernin, and B. Levush
Computer Aided Design of Depressed Collectors for High
Power Electron T u b e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
A. Singh, A. Valfells, M. Kolander, and V. L. Granatstein
Design of an Inverted Magnetron Gun for a
High Power Gyroklystron . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
M. E. Read, G. S. Nusinovich, and R. L. Ives
X-Band Triaxial Klystron . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
J. Pasour, D. Smithe, and L. Ludeking
Effect of RF Parameters on Breakdown Limits in High-Vacuum
X-Band Structures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
V. A. Dolgashev and S. G. Tantawi
High Power RF Generation by Compression of Frequency
Modulated Pulses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
A. D. R. Phelps, S. V. Samsonov, G. C. Burt, G. G. Denisov, A. W. Cross,
V. L. Bratman, W. He, K. Ronald, and H. Yin
Recent Advances in RF Pulse Compressor Systems at SLAC . . . . . . . . . . . . . . . . 172
S. G. Tantawi and C. D. Nantista
Ferroelectric Switch for an Active RF Pulse C o m p r e s s o r . . . . . . . . . . . . . . . . . . . . 187
V. P. Yakovlev, O. A. Nezhevenko, J. L. Hirshfield, and A. D. Kanareykin
High-Power Tests of a Two-Channel X-Band Active RF Pulse
Compressor using Plasma Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
A. L. Vikharev, O. A. Ivanov, A. M. Gorbachev, V. A. Isaev, S. V. Kuzikov,
S. H. Gold, A. K. Kinkead, O. A. Nezhevenko, and J. L. Hirshfield
A Delay Line for Compression of Electromagnetic Pulses . . . . . . . . . . . . . . . . . . . 203
Y. N. Pchelnikov and D. S. Nyce
The 10 MW ECRH and CD System for W 7 - X . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
V. Erckmann, H. Braune, H. P. Laqua, G. Michel, G. Dammertz,
M. Thumm, G. Gantenbein, W. Kasparek, G. A. Mueller, for the W7-X
ECRH Teams at IPP, FZK, and IPF
Test Results for a 140 GHz, 1 MW G y r o t r o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
H. Jory, M. Blank, P. Borchard, P. Cahalan, S. Cauffman, T. S. Chu, and
K. Felch
Heating of Contaminants on Diamond W i n d o w s . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
H. Bosnian, Y. Y. Lau, and R. M. Gilgenbach
Harmonic Gain and Noise in Frequency-Multiplying Gyro-Amplifiers . . . . . . . . 243
J. Rodgers, T. M. Antonsen, Jr., H. Guo, and V. L. Granatstein
Quasi-Optics in High Power Millimeter Wave Systems . . . . . . . . . . . . . . . . . . . . . 251
M. I. Petelin
Overmoded Waveguide Components for High-Power RF . . . . . . . . . . . . . . . . . . . 263
C. D. Nantista
Improvement of Selective Properties of Waveguide Bragg Resonators......... 272
M. Fuks, M. Goikhman, A. Palitsin, N. Kovalev, and E. Schamiloglu
VI
High-Power Tests of X-Band Dielectric-Loaded
Accelerating Structures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282
S. H. Gold, A. K. Kinkead, W. Gai, R. Konecny, C. Jing, W. Liu,
J. G. Power, and Z. M. Yusof
Pseudoperiodic Slow-Wave Structures for High-Power
Broadband T W T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291
V. A. Solntsev
Progress in Pasotron Development (abstract only).......................... 300
A. G. Shkvarunets, Y. Carmel, G. S. Nusinovich, T. M. Abu-elfadl,
J. Rodgers, T. M. Antonsen, Jr., V. L. Granatstein, Y. P. Bliokh,
D. M. Goebel, and J. P. Verboncoeur
Mode Competition in Relativistic Magnetrons and Injection Locking
in KW Magnetrons (abstract only)....................................... 301
V. B. Neculaes, R. M. Gilgenbach, M. Lopez, Y. Y. Lau, M. Jones,
W. White, P. Pengvanich, M. D. Johnston, T. Strickler, T. A. Spencer,
J. Luginsland, M. Haworth, K. Cartwright, P. Mardahl, T. Murphy, and
D. Price
Micro/Nanotechnology and Terahertz Radiation Discussion S e s s i o n . . . . . . . . . . . 302
G. Scheitrum, Moderator
Development and Production of an 805-MHz, 550 kW Pulsed
Klystron for the Spallation Neutron Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 312
S. J. Lenci and E. L. Eisen
Recent Advances from the DoD Multidisciplinary University Research
Initiative Consortium on Innovative Vacuum Electronics
(abstract only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323
N. C. Luhmann, Jr.
The UK High Power RF Faraday Partnership Industrial, Academia,
and Public C o l l a b o r a t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 4
A. D. R. Phelps, R. G. Carter, D. Clunie, S. P. Bowater, D. Ellis,
D. Gamble, T. Large, W. Lucas, C. Pettit, M. W. Poole, H. Smith,
P. W. Smith, and D. M. Wilcox
Gyroklystron-Powered WARLOC Radar (abstract only) . . . . . . . . . . . . . . . . . . . . 328
B. G. Danly, W. J. Cheung, V. Gregers-Hansen, G. Linde, and M. T. Ngo
Cloud Imaging Using the NRL WARLOC Radar . . . . . . . . . . . . . . . . . . . . . . . . . . 329
A. W. Fliflet, W. M. Manheimer, K. St. Germain, G. Linde, W. J. Cheung,
V. Gregers-Hansen, B. G. Danly, and M. T. Ngo
Gyrodevices with Axis-Encircling Electron Beams . . . . . . . . . . . . . . . . . . . . . . . . . 339
V. L. Bratman, G. G. Denisov, A. E. Fedotov, Y. K. Kalynov,
S. V. Samsonov, and A. V. Savilov
MM-Wave Source Development at Los A l a m o s . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349
B. E. Carlsten, S. J. Russell, L. M. Barley, J. M. Potter, P. Ferguson, and
S. Humphries, Jr.
Initial Tests with an X-Band Photoinjector at SLAC . . . . . . . . . . . . . . . . . . . . . . . 358
A. E. Vlieks, G. Caryotakis, C. DeStefano, J. P. Heritage, E. Landahl,
N. C. Luhmann, Jr., D. Martin, and A. Menegat
PIC-MCC Model for the Plasma Focused Electron Beam
in the Pasotron (abstract only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367
J. P. Verboncoeur
VII
Beam Matching in Pasotrons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 368
Y. P. Bliokh, G. S. Nusinovich, J. Felsteiner, and V. L. Granatstein
Comparison of Two Concepts: Multi-Cavity Versus
Clustered-Cavity G y r o k l y s t r o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 378
O. V. Sinitsyn, G. S. Nusinovich, and V. L. Granatstein
Slow-Wave Structures for High-Power Electron Devices . . . . . . . . . . . . . . . . . . . . 386
Y. N. Pchelnikov
Study of Coaxial 2D Bragg Structures and Their Potential
Applications in Microwave Electronics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 394
A. D. R. Phelps, I. V. Konoplev, A. W. Cross, and K. Ronald
Cherenkov Radiation from a Pseudospark-Sourced Electron B e a m . . . . . . . . . . . 401
A. D. R. Phelps, H. Yin, A. W. Cross, W. He, and K. Ronald
Analysis of a Large Orbit Backward Wave Oscillator (abstract only) . . . . . . . . . 406
Y. Choyal, T. Watanabe, K. Minami, and V. L. Granatstein
Prebunching of Electrons in Harmonic-Multiplying
Cluster-Cavity Gyro-Amplifiers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 407
Y. Miao, T. M. Antonsen, Jr., G. S. Nusinovich, A. N. Vlasov, H. Guo, and
V. L. Granatstein
Start Current Analysis of a 140 GHz CPI G y r o t r o n . . . . . . . . . . . . . . . . . . . . . . . . 417
M. Yeddulla, G. S. Nusinovich, and T. M. Antonsen, Jr.
List of P a r t i c i p a n t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 425
P r o g r a m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 427
P h o t o g r a p h s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 431
Author I n d e x . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 7
Vlll