一、前言强流脉冲电子束加速器的主要特点是短脉冲、高电压、强束流。这类加速器在模拟核爆、惯性约束聚变、等离子体物理、爆轰物理和激光等许多领域中得到了广泛的应用和发展。这类加速器的安全问题,主要包括强脉冲x射线和中子的防护,高电压的安全和有毒气 I. Introduction The main features of high current pulsed electron beam accelerator are short pulse, high voltage and strong beam. Such accelerators have been widely used and developed in many fields such as simulated nuclear explosion, inertial confinement fusion, plasma physics, detonation physics and laser. The safety issues with such accelerators include the protection of strong pulsed x-rays and neutrons, the safety and toxic gases of high voltage