NDLI: Plasma effects on the growth rate of a helix magnetron-type conducting cylinder

Content Provider	Springer Nature Link
Author	Dehghaninejad, A. Saviz, S.
Copyright Year	2016
Abstract	The linear theory of magnetron amplifier in the presence of the partially plasma loaded sheath helix is presented. The hollow electron beam and plasma column are exposed to the axial magnetic field. The dispersion relation is obtained by using the appropriate boundary conditions. The effects of electron beam, plasma column parameters and sheath helix are studied numerically on the gain. The numerical results show that the presence of the plasma column considerably increases the gain. It is shown that the bandwidth increases by increasing the plasma density. One of the interesting results are that the maximum gain occurs at the special value of the plasma and beam radius. The maximum of gain occurs when the helix approaches the vane. The results show that the gain and bandwidth at lower harmonics are greater than at higher harmonics. The gain and bandwidth in the presence of the plasma column are larger than when applying the dielectric rod.
Starting Page	1
Ending Page	11
Page Count	11
File Format	PDF
Journal	The European Physical Journal Plus
Volume Number	131
Issue Number	10
e-ISSN	21905444
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-10-05
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Applied and Technical Physics Theoretical, Mathematical and Computational Physics Complex Systems Condensed Matter Physics Atomic, Molecular, Optical and Plasma Physics
Content Type	Text
Resource Type	Article

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