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. Author manuscript; available in PMC: 2010 Jun 24.
Published in final edited form as: Phys Med Biol. 2008 Aug 11;53(17):R287–R317. doi: 10.1088/0031-9155/53/17/R01

Figure 18.

Figure 18

Another DOI approach is to use PS-APDs at both ends of a crystal array. The DOI is determined by the ratio of the light detected at both ends of the array. The DOI data shown are from such a detector developed at UC Davis.