Fig. 1. Schematic of MLIC physical model in Monte Carlo simulation

Fig. 2. The layout of MLIC experimental prototype for beam experiment

Fig. 3. Comparison of IDD curves obtained from water tank measurements, MLIC prototype, and MLIC Monte Carlo simulations under an 85.3 MeV pencil proton beam

Fig. 4. Diagram of WET calculation for materials in TOPAS

Fig. 5. Comparation of IDD curves for MLIC made from different absorber materials (color online)

Fig. 6. Comparison of the differences in beam characteristics, which were obtained from MLIC simulation of different absorber materials under different energies(a) Difference in R80 measurement, (b) Difference in FWHM measurement, (c) Difference in DDF measurement

Fig. 7. R80 differences varies with energies obtained for MLIC made from several absorber materials using WER calibrations of various energies (a) Aluminum, (b) FR-4, (c) PMMA

Fig. 8. FWHM differences varies with energies obtained for MLIC made from several absorber materials using WER calibrations of various energies (color online) (a) Aluminum, (b) FR-4, (c) PMMA

Fig. 9. DDF differences with energies obtained for MLIC made from several absorber materials using WER calibrations of various energies (color online) (a) Aluminum, (b) FR-4, (c) PMMA