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This paper presents a computer-aided design and simulation of a 20-beam cavity architecture for the performance enhancement of an s-band klystron. The main objective is to create a stable cavity with 20 electron beamlets and to achieve uniform coupling for the input and output cavity with these 20 beamlets. A coaxial structure has been chosen here to fulfill the objective. A novel coaxial-shaped coupling structure has also been designed here to get uniform coupling. The investigation has been carried out in the CST microwave studio suite, an electromagnetic simulation tool. For a 20-beam cavity, the R/Q has been achieved here around 35 ~ 40.

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Design and Simulation of Multibeam Cavity for Performance Enhancement of an S-Band Klystron

  • 会议论文

  • 发表日期：

    2025年

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  • Supratim Roy,
  • Soumaya Mandal,
  • Chaitali Koley

摘要

This paper presents a computer-aided design and simulation of a 20-beam cavity architecture for the performance enhancement of an s-band klystron. The main objective is to create a stable cavity with 20 electron beamlets and to achieve uniform coupling for the input and output cavity with these 20 beamlets. A coaxial structure has been chosen here to fulfill the objective. A novel coaxial-shaped coupling structure has also been designed here to get uniform coupling. The investigation has been carried out in the CST microwave studio suite, an electromagnetic simulation tool. For a 20-beam cavity, the R/Q has been achieved here around 35 ~ 40.