Fig. 1. Structural diagram of XRV-124 cone-shaped detector

Fig. 2. Beam information acquisition of XRV-124 cone-shaped detector(a) Beam profile optical signal, (b) Beam profile contour analysis, (c) Beam vector analysis

Fig. 3. Reference hole numbering on XRV-124 surface

Fig. 4. Positioning and coordinate system for XRV-124

Fig. 5. Calibration diagram of X-ray orthogonal film (color online)

Fig. 6. Spot size measured by XRV-124 at 0° gantry

Fig. 7. Spot size measured by XRV-124 and Lynx at different gantry angles(a) 0° gantry angle, (b) 90° gantry angle, (c) 270° gantry angle, (d) Different gantry angles

Fig. 8. Collinearity results of X-ray imaging isocenter and pencil beam at 0° gantry angle(a) 3D collinearity results of the X-ray imaging isocenter and pencil beam measured by XRV-124, (b) Beam collinearity results of the X-ray imaging isocenter and pencil beam measured in the IEC-X and -Y directions by XRV-124 and Lynx

Fig. 9. Test result of XRV-124 Star-shot