Red-to-blue up-conversion spectroscopy of Tm3+ in SrF2, CaF2, BaF2 and CdF2

被引：41

作者：

Bouffard, M

Jouart, JP

Joubert, MF

机构：

[1] Univ Reims Champagne Ardenne, UTAP, Lab Energet & Opt, F-51687 Reims, France

[2] Univ Lyon 1, CNRS, Lab Physicochim Mat Luminescents, UMR 5620, F-69622 Villeurbanne, France

来源：

OPTICAL MATERIALS | 2000年 / 14卷 / 01期

关键词：

up-conversion; thulium; fluorite-type crystals; excited-state absorption; selective excitation;

D O I：

10.1016/S0925-3467(99)00110-X

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Up-conversion spectroscopy at low temperature is used to probe the symmetry of the sites occupied by the Tm3+ ion in MF2:TmF3 (with M = Sr, Ca, Ba) and in CdF2:TmF3, NgF. We detected single Tm3+ centers of cubic, trigonal, tetragonal and orthorhombic symmetries and established energy level diagrams. Single Tm3+ centers of cubic symmetry tend to predominate in CaF2:TmF3 as the Tm3+ concentration exceeds 1 at.% (C) 2000 Elsevier Science B.V. All rights reserved.

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页码：73 / 79

页数：7

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