Fig. 1. Sketch of electron beam propagation

Fig. 2. Sketch of axial magnetic field generated by infinite length line current

Fig. 3. Magnetic field vs axial distance

Fig. 4. Ratio of electric center to geometric center vs characteristic impedance of coaxial line

Fig. 5. Compareison between measurement of ideal BPM and set position

Fig. 6. Equivalent circuit

Fig. 7. Pulse waveform in different characteristic impedance of calibrated device

Fig. 8. Pulse waveform in different length of calibrated device

Fig. 9. Pulse waveform in different load resistance

Fig. 10. Output voltage and current waveform of pulse signal source

Fig. 11. Pulse waveform measurement in different load resistance

Fig. 12. Pulse waveform measurement in different electric length