强激光与粒子束, 2020, 32 (10): 103007, 网络出版: 2020-11-11
W波段分布作用速调管的研制
Design of a W-band extended interaction klystron
微波功率器件 分布作用速调管 W波段 电子光学系统 microwave power device extended-interaction klystron W-band electronic optics system
摘要
简要介绍了一种W波段分布作用速调管的设计思路、设计方案和模拟结果,并给出了该管的测试结果。该管采用大压缩比圆柱电子枪和永磁聚焦系统,阴极电压17 kV,阴极电流0.78 A;高频系统由5间隙和11间隙(输出腔)的分布作用腔组成,采用长短槽梯形结构。样管实现了脉冲输出功率大于2 kW、带宽500 MHz、增益40 dB、工作比5%等指标。
Abstract
This paper briefly introduces the design of a W-band extended interaction klystron (EIK), and gives the test results. The high frequency extended interaction circuit consisted of five 5-gap buncher cavities and one 11-gap output cavity which can obtain wider bandwidth. This ladder-type multi-gap cavity circuit is easy to fabricate and supports greater energy margins. The π-mode is selected as the operating mode of the 5-gap (or 11-gap) cavities. By now, with an electron beam of 17 kV and 0.78 A, the EIK has achieved a peak output power of 2 kW, bandwidth of 500 MHz, gain of 40 dB, and duty cycle of 5%.
韦莹, 杨继涛, 周军, 李冬凤, 欧阳佳佳, 窦钺. W波段分布作用速调管的研制[J]. 强激光与粒子束, 2020, 32(10): 103007. Ying Wei, Jitao Yang, Jun Zhou, Dongfeng Li, Jiajia Ouyang, Yu Dou. Design of a W-band extended interaction klystron[J]. High Power Laser and Particle Beams, 2020, 32(10): 103007.