CW Ka-Band Kilowatt-Level Helical-Waveguide Gyro-TWT

Experimental results and design details are presented on an amplifier setup based on a helical-waveguide gyrotron traveling-wave tube delivering continuous-wave kilowatt-level output power with an instantaneous frequency bandwidth of about 3%.

[1]  Adrian W. Cross,et al.  A cusp electron gun for millimeter wave gyrodevices , 2010 .

[2]  R. Yan,et al.  Theoretical and Experimental Investigation of a Ka-band Gyro-TWT with Lossy Interaction Structure , 2011 .

[3]  V. L. Bratman,et al.  High-efficiency wideband gyro-TWTs and gyro-BWOs with helically corrugated waveguides , 2007, 2007 Joint 32nd International Conference on Infrared and Millimeter Waves and the 15th International Conference on Terahertz Electronics.

[4]  T. T. Yang,et al.  ULTRAHIGH GAIN GYROTRON TRAVELING WAVE AMPLIFIER , 1998 .

[5]  M. Garven,et al.  A gyrotron-traveling-wave tube amplifier experiment with a ceramic loaded interaction region , 2002 .

[6]  Cross,et al.  High-gain wide-band gyrotron traveling wave amplifier with a helically corrugated waveguide , 2000, Physical review letters.

[7]  Adrian W. Cross,et al.  Axis-encircling electron beam generation using a smooth magnetic cusp for gyrodevices , 2008 .

[8]  J. L. Hirshfield,et al.  The Electron Cyclotron Maser--An Historical Survey , 1977 .

[9]  M. Thumm,et al.  Frequency-tunable CW gyro-BWO with a helically rippled operating waveguide , 2004, IEEE Transactions on Plasma Science.

[10]  L. R. Barnett,et al.  Theory and experiment of ultrahigh-gain gyrotron traveling wave amplifier , 1999 .

[11]  Sergey V. Samsonov,et al.  GYROTRON TRAVELING WAVE AMPLIFIER WITH A HELICAL INTERACTION WAVEGUIDE , 1998 .

[12]  Jinjun Feng,et al.  Design and Experimental Study of a Ka-band Gyro-TWT With Periodic Dielectric Loaded Circuits , 2011, IEEE Transactions on Plasma Science.

[13]  B. Levush,et al.  A TE/sub 11/ K/sub a/-band gyro-TWT amplifier with high-average power compatible distributed loss , 2004, IEEE Transactions on Plasma Science.

[14]  V. K. Lygin,et al.  Numerical Simulation Models of Forming Systems of Intense Gyrotron Helical Electron Beams , 2001 .

[15]  G. Denisov,et al.  Gyro-TWTs and Gyro-BWOs with helically corrugated waveguides , 2007 .

[16]  S. Samsonov,et al.  Analysis of Dispersion and Losses in Helically Corrugated Metallic Waveguides by 2-D Vector Finite-Element Method , 2011, IEEE Transactions on Microwave Theory and Techniques.

[17]  G. Denisov,et al.  Development of helical-waveguide gyro-TWT and gyro-BWO , 2009, 2009 34th International Conference on Infrared, Millimeter, and Terahertz Waves.

[18]  G. Denisov,et al.  Prospective gyro-devices for technological applications , 2009, 2009 IEEE International Vacuum Electronics Conference.

[19]  C.D. Joye,et al.  Demonstration of a 140-GHz 1-kW Confocal Gyro-Traveling-Wave Amplifier , 2009, IEEE Transactions on Electron Devices.

[20]  Sergey V. Samsonov,et al.  Gyro-TWT with a helical operating waveguide: new possibilities to enhance efficiency and frequency bandwidth , 1998 .