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. Author manuscript; available in PMC: 2013 Jun 26.
Published in final edited form as: IEEE Trans Med Imaging. 2010 Sep 27;30(2):391–400. doi: 10.1109/TMI.2010.2080282

Fig. 14.

Fig. 14

Timing histograms of coincidence timing between LSO-PSAPD detectors of Fig. 7. From top to bottom: No correction, FWHM 16.38 ± 0.05 ns; ASIC inter-channel delay correction, FWHM 8.42 ± 0.03 ns; inter-channel delay, signal amplitude and quadrature timing correction, FWHM 6.92 ± 0.02 ns; and the improvement of timing resolution with each calibration.