用TESLA进行单束和多束速调管建模

I. Chernyavskiy, A. Vlasov, T. Antonsen, S. Cooke, D. Abe, B. Levush, K. Nguyen
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摘要

只提供摘要形式。TESLA (telegraphist’s equations solution for linear-beam amplifiers)是一种大信号2.5 D码,成功地应用于单束和多束速调管放大器的建模。当前TESLA的实现是基于Fortran-95语言,广泛使用动态分配内存。代码的高级性能加上高效使用计算机内存,用户友好的基于python的GUI和一组后处理工具使TESLA包作为主要设计工具非常有用。最近对特斯拉模型的改进可以精确地模拟慢速和反射粒子的影响,这对模拟高效率器件的贡献尤为重要。此外,将代码扩展到并行版本使我们能够在单独的并行过程中对光束进行建模。这允许更准确地模拟多束速调管,在共振腔的不同光束隧道的R/Q值有很大的分布。讨论了几种器件的特斯拉建模结果,并与现有实验数据进行了比较。
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Single and multiple beam klystron modeling with TESLA
Summary form only given. TESLA (telegraphist's equations solution for linear-beam amplifiers) is a large-signal 2.5 D code successfully applied to the modeling of single beam and multiple beam klystron amplifiers. The current implementation of TESLA is based on the Fortran-95 language with a wide use of dynamically allocated memory. Advanced performance of the code together with highly efficient use of computer memory, user- friendly Python-based GUI and set of post-processing tools makes the TESLA package very useful as a primary design tool. Recent improvement in the TESLA model allows to accurately model the effects of slow and reflected particles, whose contribution becomes especially important for the simulation of high-efficiency devices. In addition, the extension of the code to a parallel version enables us to model beams in separate parallel processes. This allows more accurate simulation of multiple beam klystrons, having a large spread in the values of R/Q for the different beam- tunnels of the resonant cavities. The results of TESLA modeling of several devices and comparison with available experimental data are discussed.
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