2015 IEEE MTT-S International Microwave Symposium 2015
DOI: 10.1109/mwsym.2015.7166861
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Application of metamaterials in spatial harmonic magnetrons

Abstract: In this paper, it is shown that employing epsilon near zero meta materials (ENZ) in the slow wave structure of a spatial harmonic magnetron can increase the efficiency and average output power of this type of magnetron. An approximate beam-wave interaction analysis which paves the way for introducing the ENZ loaded SWS is presented.Numerical simulations of the beam-wave interaction confirm the superiority of the ENZ loaded SWS to its conventional counterpart.Index Terms -Anisotropic, electron beam, magnetron, … Show more

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Cited by 4 publications
(6 citation statements)
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“…where L and R are the equivalent inductance and resistance, respectively, of the side resonators, and V e is determined using (21). By combining (26) with ( 22) and ( 21), C can be calculated yielding:…”
Section: International Journal Of Microwave and Wireless Technologiesmentioning
confidence: 99%
See 2 more Smart Citations
“…where L and R are the equivalent inductance and resistance, respectively, of the side resonators, and V e is determined using (21). By combining (26) with ( 22) and ( 21), C can be calculated yielding:…”
Section: International Journal Of Microwave and Wireless Technologiesmentioning
confidence: 99%
“…It should be mentioned that in these simulations, the ENG medium is of Drude type and the effect of losses is neglected. In [20] as well as in [21], we have briefly reported that loading the SWS of a conventional SHM with an ENZ layer can improve the performance of these devices in terms of output power and efficiency.…”
mentioning
confidence: 99%
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“…Therefore, according to the analysis of section "An approximate analysis of power generation in SHMs", we expect power generation at the current densities which are lower than the corresponding values for conventional SHMs. Interestingly, as is briefly shown in [4] and [6], the SWS of an SHM can be very well adapted to include the unit-cell of an ENZ medium, i.e. a complementary square open-loop resonator (CSOLR).…”
Section: An Enz-loaded Shmmentioning
confidence: 99%
“…The only disadvantage of an SHM in comparison with a classical magnetron is the fact that reducing the required magnetic field comes at the expense of employing the first backward Floquet harmonic which is not the largest harmonic. In [4], using the equation of motion of electron in the interaction space (the region between the cathode and anode, see Fig. 1) and the energy exchange equations it has been shown that the only component of the radio frequency (RF)-field which mainly affects the exchange of power is the amplitude of the first backward Floquet harmonic of the azimuthally directed electric field ( E φ ) in the areas close to the anode.…”
Section: Introductionmentioning
confidence: 99%