A new type of the microsized resonator with the asymmetric high-Q strip line for microwave devices with field-emission cathodes

This article describes a new dual mode two gaps resonator with the suspended ceramic substrate and the asymmetric strip lines. Using the asymmetric helical strip lines in resonator we can tunes it to anti-phase oscillation and to in-phase oscillation at the doubled frequency at the same time. On the basis of the 3-D modeling we found that such oscillatory systems can achieve the excitation of these modes with multiplicity of frequencies K = 2 with a good efficiency of interaction of electron beam with microwave fields.