Langasite Based Surface Acoustic Wave Sensors for High Temperature Chemical Detection in Harsh Environment

被引：7
|
作者：
Tortissier, G. [1 ]
Blanc, L. [1 ]
Tetelin, A. [1 ]
Lachaud, J-L. [1 ]
Benoit, M.
Conedera, V.
Dejous, C. [1 ]
Rebiere, D. [1 ]
机构：
[1] Univ Bordeaux, CNRS, UMR 5218, Lab IMS ENSEIRB, F-33405 Talence, France
来源：
PROCEEDINGS OF THE EUROSENSORS XXIII CONFERENCE | 2009年 / 1卷 / 01期
关键词：
Langasite; Surface Acoustic Waves; High temperature;
D O I：
10.1016/j.proche.2009.07.240
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
This work presents a stand-alone portable device for high temperature assessment. The system includes a Langasite (LGS) acoustic sensor, a ceramic heater and a platform with RF connections for remote in-situ measurements. The packaging consists in a hermetic stainless steel cell which enables safe gas detection. In situ temperature measurements have been achieved thanks to the integrated heater and have been compared with finite element modeling. The thermal behavior was successfully investigated in the temperature range 25-450 degrees C. The resulting experimental data have been compared with different theoretical models, using several sets of LGS constants, and their agreement is discussed.
引用
收藏
页码：963 / +
页数：2
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