Fig. 1. CSNS LR- IPM and its principle

Fig. 2. Relationship between residual gas stopping power and incident particle energy when the residual gas is hydrogen (H₂) and helium (He)

Fig. 3. Correction curve of profile distortion by guidance field and its influence on beam loss

Fig. 4. Honey comb on the cathode plate of LR-IPM in CSNS

Fig. 5. E_x distribution near the honey comb and its impact on measurement results

Fig. 6. Image obtained by the IPM after installing the electromagnetic shielding and the integration results

Fig. 7. DIP image processing workflow

Fig. 8. Comparison of PSNR and repair effects of different algorithms