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High gain GaAs photoconductive semiconductor switch offers many advantages for the pulsed power applications including beam accelerator, optically activated electrical fireset, electro-optic driver1–2. In view of the specific application considerations, it is required to replace the desktop laser system by laser diode (LD) sources, i.e., micro-joules excitation energy, which leads to the promise of...
Photoconductive Semiconductor Switches (PCSSs) are potential in generation of high-power impulse due to the unique performance compared with traditional high-power pulsed devices. Gallium arsenide (GaAs) photoconductive semiconductor switch is regarded as a promising pulse-power device for the outstanding properties, such as simple structure, low optical trigger energy, low timing jitter, high breakdown...
Based on the characteristics of the GaAs photoconductive semiconductor switch (PCSS) and the spark gap, a new combined switch is developed. The combined switch integrates a traditional GaAs PCSS and a normal spark gap, which could offer two to three times of self-breakdown voltage for the spark gap in nanoseconds. Compared with the traditional single GaAs PCSS, a higher peak current at the output...
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