Fig. 3
From: Optical fibre sensors: their role in in vivo dosimetry for prostate cancer radiotherapy
Reproduced from Suchowerska et al. (2011) with the permission from Elsevier
a Design of the BrachyFOD. a 4-mm-long 0.5-mm diameter Bicron BC400 scintillator is coupled to a 0.5-mm diameter (0.48-mm core) polymethyl methacrylate (PMMA) PMMA optical fibre. The entire dosimeter is covered with a black polyvinyl toluene PVT buffer tubing. b Design of the RFOD. The scintillator, spacer, and platinum radiopaque marker are all 0.5 mm in diameter and 4 mm long.