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把从国外引进的高压终端与自行研制的脉冲系统等结合在一起,建成了一台小型移动式中子发生器。该中子发生器的长度是2 500 mm,重量小于1 t,可以方便地移动到所需要的实验场合。它主要由高频离子源、加速管、高压发生器、聚焦装置、供气系统、微秒脉冲系统、控制系统、真空系统和实验靶室组成。它能产生150μA的直流氘离子束和宽度为10～100μs,频率分别为10 Hz,1 000 Hz,10 000 Hz的脉冲氘离子束。D-T中子产额可达1.5×10~(10)s~(-1)。文章主要介绍了小型移动式中子发生器主要部件的工作原理和结构。
The introduction of high-voltage terminals imported from abroad and their own pulse system developed together, built a small mobile neutron generator. The neutron generator has a length of 2,500 mm and a weight of less than 1 t, making it easy to move to the desired test environment. It is mainly composed of high frequency ion source, accelerating tube, high pressure generator, focusing device, gas supply system, microsecond pulse system, control system, vacuum system and experimental target chamber. It produces a DC deuterium ion beam of 150 μA and a pulsed deuteron beam with a width of 10-100 μs and a frequency of 10 Hz, 1000 Hz, and 10 000 Hz, respectively. D-T neutron yield up to 1.5 × 10 ~ (10) s ~ (-1). The paper mainly introduces the working principle and structure of the main components of small mobile neutron generator.