Fig. 1. Schematic diagram of the structure of the pulsed intense magnetic field device

Fig. 2. Three dimension structure of pulsed intense magnetic field device

Fig. 3. Experimental setup of electromagnetic pulses measurement

Fig. 4. Temporal waveform and frequency spectrum of discharge electric current measured by Rogowski coil

Fig. 5. Temporal waveform of voltage and frequency spectra measured at high-voltage ground connection

Fig. 6. Electromagnetic pulses temporal waveform and frequency spectra when the cables passing above the room in basement,or not

Fig. 7. Temporal waveform of voltage and frequency spectrum measured on the vacuum target chamber

Fig. 8. (a) Schematic diagram of measurement points on vacuum target chamber, (b) the relationship between the amplitude of voltage variation on the vacuum target chamber and the distance from the flange that places the pulsed magnetic field device

Fig. 9. Electromagnetic pulses’ temporal waveform and frequency spectra measured at various optical platforms

Fig. 10. Voltage amplitude of electromagnetic pulses measured at different position on optical platforms and low-voltage ground connection

Fig. 11. Voltage amplitude vs detection position and frequency spectra vs detection position

Fig. 12. Mitigation approaches of electromagnetic pulses

Fig. 13. Mitigation of free-space electromagnetic pulses via shielding shell made by copper metal wire cloth

Fig. 14. Mitigation of electromagnetic pulses via disconnecting the uninterruptible power supply (UPS) of oscilloscope from the power supply grid

Fig. 15. Mitigation of electromagnetic pulses via using independent low-voltage grounding connection for high-voltage power supply

Fig. 16. Mitigation of electromagnetic pulses via shielded cabinet