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. Author manuscript; available in PMC: 2017 Jul 24.
Published in final edited form as: Phys Med Biol. 2014 Apr 2;59(8):2023–2039. doi: 10.1088/0031-9155/59/8/2023

Figure 1.

Figure 1

a) The phosphor coating was applied on the top face only. b) The top face and half the length of the 4 sides were coated with phosphor. c) Same as b) with a black ink instead of phosphor.