Fig. 1. Structural schematic diagram of GaAs photoconductive switch

Fig. 2. Confocal response curves with different annular pupils

Fig. 3. Current value of photoconductive switch under different bias voltage and minimum on-resistance value of photoconductive switch

Fig. 4. Current value of photoconductive switch at different triggering energies and minimum on-resistance value of photoconductive switch

Fig. 5. Current value of photoconductive at different triggering number

Fig. 6. Analysis of damaged surface morphology of switches

Fig. 7. Diagram of damage between two electrodes of switch

Fig. 8. Damage caused by thermal stress

Fig. 9. 3-D effect map of damage layer