Abstract

Pr-doped Lu3Al5O12 (Pr:LuAG) single crystals were grown by the Czochralski method. The crystal was seeded-grown in the [100] direction. Dimensions up to 100mm in length and 92mm in diameter were achieved without cracking. Using 10×10×10mm size sample coupled with photomultiplier (Hamamatsu R3998), energy resolution of 4.6% at 662keV was achieved. Uniformity of light yield and energy resolution was also evaluated in whole crystal. The deviations of light output, energy resolution, and decay time were ±7.9%, 7.2%, and 4.8%, respectively.

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