Exact treatment of the dispersion and beam interaction impedance of a thin tape helix surrounded by a radially stratified dielectric

IEEE Transactions on Electron Devices

Volumn 46, Issue 7, 1999, Pages 1472-1483

  Chemin, David ^b   Antonsen Jr , Thomas M ^a,c   Levush, Baruch ^a,d  

^a IEEE

^b SCIENCE APPLICATIONS INTERNATIONAL CORPORATION   (United States)

^c UNIVERSITY OF MARYLAND   (United States)

^d NAVAL RESEARCH LABORATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

SLOW WAVE STRUCTURES; TAPE HELIX;

BOUNDARY CONDITIONS; CHEBYSHEV APPROXIMATION; ELECTRIC IMPEDANCE; ELECTROMAGNETIC DISPERSION; POLYNOMIALS; TRAVELING WAVE TUBES;

DIELECTRIC WAVEGUIDES;

EID: 0032630863     PISSN: 00189383     EISSN: None     Source Type: Journal    
DOI: 10.1109/16.772493     Document Type: Article

References (17)

1. H. C. Pocklington, "Electrical oscillations in wires," Proc. Camb. Phil. Soc. vol. 9, p. 324, 1897.
2. R. Kompfner, The Invention of the Traveling-Wave Tube. San Francisco Press, 1963.
3. J. R. Pierce, Traveling Wave Tubes. New York: Van Nostrand, 1950.
4. S. Sensiper, "Electromagnetic wave propagation on helical conductors," Sc.D. dissertation, Dept. of Electrical Engineering, MIT, May 1951.
5. _, "Electromagnetic wave propagation on helical structures (A Review and survey of recent progress)," Proc. IRE, vol. 43, pp. 149-161, 1955.
6. P. K. Tien, "Traveling wave tube helix impedance," Proc IRE, vol. 41, pp. 1617-1623, 1953.
7. J. B. McMurtry, "Fundamental interaction impedance of a helix surrounded by a dielectric and a metal shield," IRE Trans. Electron Devices, vol. ED-9, pp. 210-216, 1962.
8. D. A. Watkins, Topics in Electromagnetic Theory. New York: Wiley, 1958.
9. H. P. Freund, N. R. Vanderplaats, and M. A. Kodis, "Field theory of a traveling wave tube amplifier with a tape helix," IEEE Trans. Plasma Sci., vol. 21, pp. 654-668, 1993.
10. S. Ghosh, P. K. Jain, and B. N. Basu, "Rigorous tape analysis of inhomogeneously-loaded helical slow wave structures," IEEE Trans. Electron Devices, vol. 44, pp. 1158-1168, 1997.
11. M. Abramowitz and I. Stegun, "Handbook of mathematical functions." New York: Dover, 1968, p. 774ff.
12. C. L. Kory, "Validation of an accurate three-dimensional helical slow-wave circuit model," NASA Contractor Rep. CR-4766, 1997.
13. P. K. Jain and B. N. Basu, "The inhomogeneous dielectric loading effects of practical helix supports on the interaction impedance of the slow-wave structure of a TWT," IEEE Trans. Electron Devices, vol. 39, pp. 727-733, 1992.
14. H. P. Freund, E. G. Zaidman, and T. M. Antonsen, Jr., "Theory of helix traveling wave tubes with dielectric and vane loading," Phys. Plasmas, vol. 3, pp. 3146-3161, 1996.
15. L. Stark, "Lower modes of a concentric line having a helical inner conductor," J. Appl. Phys., vol. 25, pp. 1155-1162, 1954.
16. H. S. Uhm and J. Y. Choe, "Electromagnetic wave propagation in a conducting waveguide loaded with a tape helix," IEEE Trans. Microwave Theory Tech., vol. MTT-31, pp. 704-710, 1983.
17. T. M. Antonsen, Jr. and B. Levush, "CHRISTINE: A multifrequency parametric simulation code for traveling wave tube amplifiers," NRL Memo Rep. NRL/FR/6840-97-9845, 1997.