Luminescence Properties of the Thermographic Phosphors Dy3+:YAG and Tm3+:YAG for the Application in High Temperature Systems

被引:9
|
作者
Jovicic, Gordana [1 ,2 ]
Zigan, Lars [1 ,2 ]
Will, Stefan [1 ,2 ]
Leipertz, Alfred [1 ,2 ]
机构
[1] Univ Erlangen Nurnberg, Erlangen Grad SAOT, D-91052 Erlangen, Germany
[2] Univ Erlangen Nurnberg, LTT, D-91058 Erlangen, Germany
关键词
Laser-Induced Phosphorescence; Phosphor Thermometry; Thermographic Phosphors; TRANSIENT COMBUSTION; THERMOMETRY; VELOCITY;
D O I
10.1515/zpch-2014-0603
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The high temperature sensitivity of the luminescence emission of thermographic phosphor (TP) particles favours its utilization for the measurement of wall or gas temperatures in combustion devices. The present work focuses on the luminescence behavior and suitability of two lanthanide ion types (Tm and Dy) doped in a YAG host crystal for high temperature applications. The Dy: YAG is awell-known thermographic phosphor and is used here as a reference for the comparison with Tm: YAG TP. Additionally its dopant concentration is varied to improve its signal intensity for high temperature applications. For the studied thermographic phosphors phosphorescence spectra, intensity ratios and luminescence decay time are characterized for awide temperature range up to 1573 K.
引用
收藏
页码:977 / 997
页数:21
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