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A 22-stage 4 MV laser-triggered multistage multi-channel switch (LTS) was designed according to the hypothesis that the well-proportioned electrical field distribution is helpful in reducing the jitter of delay. Field distribution in the switch section is regulated by a metal field regulation ring and several gradient rings. In order to reduce the jitter further, a SFB/N2 mixture is chosen as the switching medium. The generalized standard deviation of the self-breakdown voltage and the deviation of the average value from the prediction is less than 4.4% and 13% respectively. Linearity of the self-breakdown voltage is better than 0.95. Triggered by a laser pulse of 35 mJ/3 ns, the delay is about 26 ns at a working voltage of 85±3% USB (Self-breakdown Voltage). Maximum deviation of delay is less than =t=2.5 ns. Jitter is less than 1.5 ns. The delay and jitter decrease with the increase in the working ratio (the ratio of working voltage to USB), pressure or voltage. 相似文献
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Marx发生器驱动的电感储能型脉冲功率源 总被引:2,自引:2,他引:0
为研制电感储能型高功率脉冲源,实验研究了采用Marx发生器驱动电感储能-电爆炸丝断路开关的技术途径。研究表明,以等效电容1μF的Marx发生器作为能源,采用1.5μH的储能电感和上百根直径0.05mm、长560mm金属丝并联形成的断路开关,在Marx发生器等效输出电压>180kV时,可在约10Ω负载上输出峰值功率>40GW,能量传递效率>50%,脉宽近200ns,前沿约50ns的脉冲,从而证明该技术途径可较大幅度提高脉冲功率源的输出功率和能量传递效率。 相似文献
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