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. Author manuscript; available in PMC: 2014 Feb 7.
Published in final edited form as: Phys Med Biol. 2013 Jan 14;58(3):601–619. doi: 10.1088/0031-9155/58/3/601

Figure 1.

Figure 1

Experimental setup consisting of a glass tank filled with water placed under a medical LINAC (SSD = 100 cm) with a CMOS camera and lens placed at a distance yo from beam center. A single x-ray (red) generated at the target travels downward into the water tank and Compton scatters out of the tank (green). The secondary electron emits Cerenkov photons (blue), which are absorbed by a fluorescent dye and emitted isotropically (purple). Note that the dimensions are for illustration purposes and not to scale and the global coordinate axes referenced throughout the text is as shown.