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Green up-conversion laser emission in Er-doped crystals at room temperature

โœ Scribed by Brede, R.; Heumann, E.; Koetke, J.; Danger, T.; Huber, G.; Chai, B.

Book ID
120460741
Publisher
American Institute of Physics
Year
1993
Tongue
English
Weight
465 KB
Volume
63
Category
Article
ISSN
0003-6951

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## Abstract In this work, room temperature 1.53 ยตm emissions were investigated for the first time in Er^3+^โ€doped PbWO~4~ crystals. Jโ€“O calculations demonstrated that the high rates of nonradiative relaxation from the excited states to the level ^4^I~13/2~ ensure its effective population. Consequen