π-Mode Stopband Characteristics Caused by Asymmetries of Support Rod and Loaded Metal in Helix Structures

References

• Lien , E. L. 1979 . “ Stopbands produced by asymmetrical support rod system in helix structures ” . In IEEE International Electron Devices Meeting Technical Digest Vol. 25 , 412 – 415 .
   Google Scholar
• Onodera , T. 1988 . An analysis of the π-mode caused by asymmetries of a metal-segment-loaded helix as used in broad-band travelingwave tubes . IEEE Trans. Electron Devices , 35 ( No. 10 ) Oct. : 1758 – 1759 .
   Google Scholar
• Zhu , Z. , Jia , B. and Luo , Z. Sep. 2004 . “ The study of traveling-wave tube cold-test characteristics by three-dimensional simulation code ” . In The 5th International Vacuum Electron Sources Conference Sep. , 337 – 339 .
   Google Scholar
• Zhu , Z. , Jia , B. and Luo , Z. Oct. 2005 . “ The macro programming based on 3-D simulation code in helix travling-wave tube CAD ” . In International Symposium on Communication and Information Technologies Vol. 2 , Oct. , 1462 – 1464 .
   Google Scholar
• Zhu , Z. , Jia , B. and Luo , Z. Apr. 2006 . “ Application of CAD simulation technology in microwave tube research and fabrication ” . In 2006 IEEE International Vacuum Electronics Conference Apr. , 117 – 118 .
   Google Scholar
• Hobrecht , C. E. 1977 . Resonant loss for helix traveling wave tubes . IEEE International Electron Devices Meeting Technical Digest . 1977 . pp. 348 – 350 .
   Google Scholar
• Aloisio , M. and Waller , P. 2005 . Ana1ysis of helical slow-wave structures for space TWTs using 3-D electromagnetic simulators . IEEE Trans. Electron Devices , 52 ( No. 5 ) May : 749 – 754 .
   Google Scholar
• Aloisio , M. , Carter , R. and Paoloni , C. May 2007 . “ Analytical computations, measurements and 3-D EM simulations for the calculation of cold parameters in helical SWSs ” . In 2007 IEEE International Vacuum Electronics Conference May , 413 – 414 .
   Google Scholar
• Singh , G. and Basu , B. N. 2007 . Modal analysis of azimuthally periodic vane-loaded cylindrical waveguide interaction structure for gyro-TWT . Progress In Electromagnetics Research , PIER 70 : 175 – 189 .
   Web of Science ®Google Scholar
• Ghosh , S. , Jain , P. K. and Basu , B. N. 2007 . Analytical exploration of new taperedgeometry dielectric-supported helix slow-wave structures for broadband TWT’s . Progress In Electromagnetics Research , PIER 15 : 63 – 85 .
   Google Scholar
• Wang , M. , Zhang , J. , Chen , H. , Luo , Y. , Xi , S. , Ran , L.-X. and Kong , J. A. 2008 . Design and application of a beam shifter by transformation media . Progress In Electromagnetics Research , PIER 83 : 147 – 155 .
   Web of Science ®Google Scholar
• Kong , F. , Wu , B.-I. , Huang , H. , Huangfu , J. , Xi , S. and Kong , J. A. 2008 . Lateral displacement of an electromagnetic beam reflected from a grounded indefinite uniaxial slab . Progress In Electromagnetics Research , PIER 82 : 351 – 366 .
   Google Scholar
• Li , Z. and Cui , J. 2007 . Sandwich-structure waveguides for very high-power generation and transmission using left-handed materials . Progress In Electromagnetics Research , PIER 69 : 101 – 116 .
   Google Scholar
• Chen , H. and Zhang , Y. 2007 . A novel compact planar six-way power divider using folded and hybrid-expanded coupled lines . Progress In Electromagnetics Research , PIER 76 : 243 – 252 .
   Web of Science ®Google Scholar
• Mori , A. , Watanabe , Y. , Tokuda , M. and Kawamoto , K. 2006 . The power line transmission characteristics for an OFDM signal . Progress In Electromagnetics Research , PIER 61 : 279 – 290 .
   Google Scholar
• Derat , B. and Bolomey , J.-C. 2006 . Analytical lower and upper bounds of power absorption in near-field regions deduced from a modal-based equivalent junction model . Progress In Electromagnetics Research , PIER 58 : 21 – 49 .
   Google Scholar