Peculiarities of 1.6-7.5 μm Pr3+ luminescence in Ge36Ga5Se59 glass

被引：16

作者：

Churbanov, M. F. ^{[1
]}

Denker, B., I ^{[2
]}

Galagan, B., I ^{[2
]}

Koltashev, V. V. ^{[3
]}

Plotnichenko, V. G. ^{[3
]}

Sverchkov, S. E. ^{[2
]}

Sukhanov, M., V ^{[1
]}

Velmuzhov, A. P. ^{[1
]}

机构：

[1] RAS, Devyatykh Inst Chem High Pur Subst, Nizhnii Novgorod, Russia

[2] RAS, Prokhorov Gen Phys Inst, Moscow, Russia

[3] RAS, Fiber Opt Res Ctr, Moscow, Russia

来源：

OPTICAL MATERIALS EXPRESS | 2019年 / 9卷 / 11期

基金：

俄罗斯基础研究基金会;

关键词：

CHALCOGENIDE GLASS; IR; EMISSION; FIBERS;

D O I：

10.1364/OME.9.004154

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

High-purity samples of the new Ge36Ga5Se59 glass composition doped with 2x10(19), 5x10(19) and 10(20) cm(-3) of Pr3+ atoms were synthesized and their luminescent properties were investigated in the 1.6-7.5 mu m spectral range. The luminescence registration method involved has made it possible to separate the spectra of the overlapping transitions in Pr3+ in the 2-2.7 mu m emission band and to determine the respective lifetimes as well as their concentration dependencies. High sensitivity of the detection system has allowed to detect weak luminescence band at similar to 7.2 gm corresponding to F-3(3) -> F-3(2) transition for the first time in Pr doped glasses. The experiments showed that intense cross-relaxation processes in investigated glasses can cause a steep similar to 5 mu m emission rise with Pr(3+ )concentration increase. This effect can be of use for the design of efficient similar to 5 mu m luminescent sources with population efficiency significantly exceeding 100% (when pumped at similar to 1.5 mu m) and luminescence quantum yield close to unity. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：4154 / 4164

页数：11

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