A Broadband Extended Interaction Klystron Based on Multimode Operation

Chang, Zhiwei; Shu, Guoxiang; Tian, Yanyan; He, Wenlong

doi:10.1109/ted.2021.3136829

Cited by 10 publications

(1 citation statement)

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“…The EIK has several advantages, such as high output power, narrow linewidth, and tunability, making it suitable for diversified applications. [1][2][3][4][5][6][7][8][9] The main parameters of the developed EIKs are listed in Table I.…”

Section: Introductionmentioning

confidence: 99%

0.22-THz extended interaction klystron based on orthogonal interconnection structure

Wu,

Ren,

et al. 2024

Physics of Plasmas

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This paper presents an extended interaction klystron (EIK) operating at 0.22 THz based on a four-sheet-beam orthogonal interconnection structure (OIS). The proposed OIS comprises four vertically positioned trapezoidal line structures, significantly enhancing the coupling efficiency between cavities and achieving optimal interactions with the TM81 mode. This study investigates the dispersion characteristics and field distribution numerically, while the optimal working parameters and output structure were analyzed using the particle-in-cell (PIC) studio. The parameters of each cavity and the selection of five intermediate cavities were finalized by calculating the beam conductance, external quality factor, and stagger-tuning. The EIK generated a continuous 480 W output power with a four-sheet-beam at 17.5 kV and a current density of 200 A/cm2 from an input drive signal of 20 mW. The gain was approximately 43.8 dB.

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