Up-conversion and excited state energy transfer in rare-earth doped materials
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2001 ◽
Vol 105
(9)
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pp. 1856-1862
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Keyword(s):
2013 ◽
Vol 550
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pp. 509-513
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2001 ◽
Vol 114
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pp. 1089-1100
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2019 ◽
Vol 2019
(9)
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pp. 1201-1206
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