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The circuit suitable for the hollow electron beam (HEB) interaction was formed by parallel connecting of the sheet beam extended interaction klystron circuit at the angular direction. The analysis of this newly developed circuit shows it can interacts with the distributed HEB. To demonstrate this capability, a W-band extended interaction oscillator (EIO) with distributed HEB has been designed. A DC...
A compact three-cavity circuit with ladder type structure is designed for the pencil beam W-band extended interaction klystron (EIK). Circuit parameters such as coupling coefficient M, characteristic impedance R/Q and beam-loading conductance Ge are analyzed and optimized in the design procedure. The initial beam parameters are 18.1 kV, 0.2 A and 0.5 mm in diameter. Simulation predicts a saturation...
This paper designed a high efficiency W-band extended interaction oscillator. The rectangle coupled-cavity slow-wave line along with the sheet beam can increase the impedance of the circuit and has the merit of high power operation. Through PIC simulation the optimized parameters has been achieved with the beam-wave interaction efficiency over 27%.
This paper described a new kind of quasi-optical resonant system for the extended interaction devices. Primary theoretical and simulation results show that this newly developed device has advantages both in modes selectivity and coupling enhancement with the electrons. A demonstration of this resonant system is carried out in W band. This may be utilized to design a compact, tunable and powerful extended...
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