Fig. 1. Photoconductive switch device. (a)(b) Structural diagrams of photoconductive switch devices; (c) test circuit diagram

Fig. 2. Test results. (a) Output voltage waveform diagram when the capacitance of the energy storage capacitor unit is 14 pF; (b) output voltage waveform diagram when the capacitance of the energy storage capacitor unit is 25 pF; (c) capacitance changes of a 25 pF energy storage capacitor unit at different frequencies (1 kHz, 10 kHz, 100 kHz, 1 MHz); (d) leakage current waveform diagram of a 25 pF energy storage capacitor unit after high-temperature and high-humidity aging (500 h, 1000 h, 1500 h)

Fig. 3. Test results. (a) Dependency relationship diagram between laser energy and output voltage; (b) Dependency relationship diagram between input voltage and output voltage (inset is the waveform diagram of pulse charging with 20 kV); (c) relationship diagram between input voltage and voltage conversion efficiency; (d) input waveform diagram at an input voltage of 25 kV

Fig. 4. Morphology diagrams. (a) Macroscopic morphology diagram of device breakdown; (b) macroscopic morphology diagram of breakdown before metal corrosion; (c) macroscopic morphology diagram of device after aqua regia corrosion; (d) morphology diagram of TSD aggregation inside the electrode after KOH corrosion; (e) breakdown waveform diagram of TSD aggregation at the electrode edge; (f) morphology diagram of TSD aggregation at the electrode edge after KOH corrosion

Fig. 5. Model diagrams. (a) Schematic diagram of an ideal parallel-plate capacitor; (b) schematic diagram of the longitudinal section; (c) schematic diagram of the cross-sectional view

Fig. 6. Simulation results. (a) Electric field distribution in the cross-section; (b) schematic diagram of the simulation position;