Fig. 1. Structure diagram of peaking capacitor

Fig. 2. Circuit of peaking capacitor

Fig. 3. Structure diagram of polypropylene sample and circular electrode

Fig. 4. Top view of sample and circular electrode structure and optical fiber array

Fig. 5. Spectral response curve of photodiode

Fig. 6. Illustration of nanosecond pulse discharge photoelectric detection system

Fig. 7. Picturer of nanosecond pulse discharge photoelectric detection system

Fig. 8. Nanosecond pulse discharge electrical signal test results

Fig. 9. Experimental results of nanosecond pulse discharge optical signal detection

Fig. 10. Images of nanosecond pulse discharge path