Temperature sensor based on the Er3+ green upconverted emission in a fluorotellurite glass

被引：248

作者：

Leon-Luis, Sergio F. ^{[1
,2
]}

Rodriguez-Mendoza, Ulises R. ^{[1
,2
]}

Lalla, Emmanuel ^{[3
]}

Lavin, Victor ^{[1
,2
]}

机构：

[1] Univ La Laguna, MALTA Consolider Team, E-38200 San Cristobal De La Lagu, Santa Cruz De T, Spain

[2] Univ La Laguna, Dept Fis Fundamental & Expt Elect & Sistemas, E-38200 San Cristobal La Laguna, Santa Cruz De T, Spain

[3] Unidad Asociada UVA CSIC, E-47152 Valladolid, Spain

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2011年 / 158卷 / 01期

关键词：

Fluorotellurite glass; Erbium; Luminescence; Upconversion; Temperature sensitivity; DOPED SILICATE GLASS; RARE-EARTH IONS; CONVERSION; FLUORESCENCE; INTENSITIES; LUMINESCENCE; TRANSITIONS; SPECTRA; SHIFT; PR3+;

D O I：

10.1016/j.snb.2011.06.005

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The temperature dependence of the green upconverted emission from the two thermally coupled H-2(11/2) and S-4(3/2) levels of the Er3+ ion in a fluorotellurite glass has been analyzed as a function of the optically active ion concentration in order to check its availability as a temperature sensor. The infrared-to-green upconverted emission have been observed by the naked eyes after a cw laser diode excitation at 800 nm. The fluorescence intensity ratio between the thermally coupled emitting levels as well as the temperature sensitivity has been experimentally obtained up to 540 K. A better behaviour as a temperature sensor has been obtained for the less Er3+ concentrated glass with a maximum sensitivity of 54 x 10(-4) K-1 at 540 K. one of the highest found in rare-earth doped transparent materials. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：208 / 213

页数：6

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