Fig. 1. Ion source discharge chamber with 40 columns of magnets

Fig. 2. Magnetic field distribution of ion source discharge chamber

Fig. 3. Stainless steel discharge chamber

Fig. 4. Abnormal arc discharge waveforms

Fig. 5. Burning marks caused by local arcing in the discharge chamber

Fig. 6. Discharge chamber mounted on the test platform

Fig. 7. Typical arc discharge waveforms

Fig. 8. Final structure of 80 kV/45 A/5 s ion source discharge chamber for HL-2M device