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激光二极管触发的光导开关-磁开关串联型组合开关
Investigation of a combined PCSS and magnetic switch triggered by laser diode
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摘要: 研究了一种新型的基于硅光导开关和磁开关串联的组合开关，相比于传统的磁开关，该开关能将数十μs 的充电脉冲直接压缩到数十 ns。比较了采用激光二极管触发时组合开关与单一硅光导开关的性能，结果表明，组合开关输出电流提高，前沿及脉宽均大幅减小，组合开关可以降低硅光导开关对触发光功率的需求，从而使得采用激光二极管实现硅光导开关触发成为可能。Abstract: Based on the characteristics of the Si photoconductive semiconductor switch (PCSS)and the magnetic switch (MS),a new combined switch is developed.The combined switch integrates a traditional Si PCSS and a normal magnetic switch. Compared with normal magnetic switch,the combined switch can withstand a charge time of several tens microsecond and give an output voltage with several tens nanosecond rise time.The combined switch also can reduce the power of the laser for triggering the traditional single Si PCSS and then laser diode can be used.The traditional single Si PCSS and the combined switch were trig-gered by laser diode for comparison.
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