Intense red upconversion emission in infrared excited holmium-doped PbGeO3–PbF2–CdF2 transparent glass ceramic
2004 ◽
Vol 110
(1-2)
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pp. 79-84
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Keyword(s):
Keyword(s):
Keyword(s):
Keyword(s):
2009 ◽
Vol 467
(1-2)
◽
pp. 317-321
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