Dynamics of energy transfer and frequency upconversion in Tm3+ doped fluoroindate glass

被引：0
|
作者：
Jerez, VA [1 ]
de Araújo, CB [1 ]
Messaddeq, Y [1 ]
机构：
[1] Univ Fed Pernambuco, Dept Fis, BR-50670901 Recife, PE, Brazil
来源：
RIAO/OPTILAS 2004: 5TH IBEROAMERICAN MEETING ON OPTICS AND 8TH LATIN AMERICAN MEETING ON OPTICS, LASERS, AND THEIR APPLICATIONS, PTS 1-3: ICO REGIONAL MEETING | 2004年 / 5622卷
关键词：
D O I：
10.1117/12.589460
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Blue and ultraviolet upconversion (UC) emissions at 455 and 363 nm w ere observed from Tm3+ doped fluoroindate glasses pumped with a 650 nm pulsed dye laser. The temporal behavior of the fluorescence signal originate from the D-1(2) manifolds was studied for different Tm3+ concentrations. The fluorescence measurements revealed the origin of the UC process as well as allowed to quantify the interaction between Tm3+ ions. The results indicate that a two-step absorption process is responsible for the UC emission and the dominant interaction contributing for ET among of active ions is the dipole-dipole interaction.
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页码：450 / 454
页数：5
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