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Title: Transparent Ho3+-doped nano-glass-ceramics for efficient infrared emission
Authors: Driesen, Kris ×
Tikhomirov, VK
Görller-Walrand, Christiane
Rodriguez, VD
Seddon, AB #
Issue Date: Jan-2006
Publisher: Amer inst physics
Series Title: Applied Physics Letters vol:88 issue:7 pages:-
Abstract: We developed transparent 3.5 mol % Ho3+-doped oxyfluoride nano-glass-ceramics, where the Ho3+-dopants dissolve in the 6 nm diameter beta-PbF2 nanocrystals. The cubic site of Ho3+ and a low vibration frequency of its PbF2 environment result in an intense and 50 nm broad emission band I-5(6)-> I-5(8) of Ho3+ at 1.2 mu m with a temperature independent lifetime of 1.6 ms. Another 40 nm broad emission band F-5(5)-> I-5(6) at 1.47 mu m with a lifetime of 24 mu s was also excited, the lifetime of this band increased to 60 mu s at 77 K. These two bands have potential application for optical amplification in telecommunications.
URI: 
ISSN: 0003-6951
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Design and Synthesis
Chemistry - miscellaneous
× corresponding author
# (joint) last author

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