Benefit of Pr^3+ ions to the spectral properties of Pr^3+/Er^3+:CaGdAlO_4crystal for a 27 μm laser
Abstract
The spectra of Er3+:CaGdAlO4 and Pr3+/Er3+:CaGdAlO4 crystals were measured under the same conditions. With the presence of Pr3+ ions, the intensities of the green, red upconversion and near-infrared emissions are dramatically reduced to 1/20, 1/150, and 1/8.5 of those for Er3+:CaGdAlO4. Furthermore, the lifetimes of I11/24 upper and I13/24 lower laser levels fall from 450 and 982 μs to 84.8 and 74.3 μs. It is obvious that...
Paper Details
Title
Benefit of Pr^3+ ions to the spectral properties of Pr^3+/Er^3+:CaGdAlO_4crystal for a 27 μm laser
Published Date
Nov 19, 2012
Journal
Volume
37
Issue
23
Pages
4838 - 4838
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