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. Author manuscript; available in PMC: 2011 Sep 1.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2010 Mar 16;78(1):280–287. doi: 10.1016/j.ijrobp.2009.11.025

Fig. 2.

Fig. 2

The apparatus used for reading the PSDs. An illustration of light propagation is overlaid. The light emitted from the optical fiber (circles) travels to the 45°-dichroic filter, where it is divided into a transmitted component (crosses) and a reflected component (stars).