摘要
As afterglow phenomenon in the ECR source,a spike will appear in the highly charged ion beam when the microwave pulse stops.The peak intensity of beam current can typically be several times higher than in CW mode,as shown in Fig.1.So the requirements for control system,is to capture the timing signal of the start of the accelerator cycle,and output a specific number,pulse width,delay time,and duty cycle which is adjustable trigger signal to the microwave system of ion source.
