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| (a) A Ce3+-doped GdBr3–aluminosilicate glass cylinder of 2.5 x 3 cm, and (b) photoluminescent Ce3+-doped GdF3–aluminosilicate glass fibers under UV excitation. GTRI believes that glass and glass-ceramic scintillators are promising candidates for gamma-ray spectroscopy if the resolution can be further improved. Credit: GTRI/Brent Wagner/SPIE. |
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