Fig. 1. Radial probes installed in the cyclotron of HIMM in Lanzhou

Fig. 2. Structure of the radial probe (top view)

Fig. 3. Structure of the radial probes’ tips

Fig. 4. Thermal structural analysis of the radial probe without water-cooling design

Fig. 5. Thermal structural analysis of the radial probe with water-cooled design during the scanning process of the probe

Fig. 6. Hardware framework of the radial probe control system

Fig. 7. Software framework of the radial probe control system

Fig. 8. XML configuration file for radial probe control system

Fig. 9. Linear fitting between the set data and acquired data

Fig. 10. Beam current measurement at a fixed position (150 mm from the cyclotron center)

Fig. 11. Beam current measurement during the motion period (150 mm and 750 mm from the cyclotron center)

Fig. 12. Beam turns pattern measurement result