BME Frontiers / 2020 / Article / Fig 5

Research Article

Dual-Modality X-Ray-Induced Radiation Acoustic and Ultrasound Imaging for Real-Time Monitoring of Radiotherapy

Figure 5

xRAI result showing the capability of measuring beam size: (a) experimental setup for measuring the X-ray beam size; (b) xRAI image of an X-ray beam with a size of ; (c) Comparison of quantified X-ray beam sizes measured in xRAI images and the actual beam sizes controlled by MLC. The red solid line shows a linear fitting ().