Development of a miniaturized differential photoacoustic gas sensor

被引：16
作者：
Rouxel, J. [1 ,2 ]
Coutard, J-G. [1 ]
Gidon, S. [1 ]
Lartigue, O. [1 ]
Nicoletti, S. [1 ]
Parvitte, B. [2 ]
Vallon, R. [2 ]
Zeninari, V. [2 ]
Gliere, A. [1 ]
机构：
[1] Univ Grenoble Alpes, CEA, LETI, MINATEC Campus, F-38054 Grenoble, France
[2] Univ Reims, UMR CNRS 7331, GSMA, F-51687 Reims 2, France
来源：
EUROSENSORS 2015 | 2015年 / 120卷
关键词：
photoacoustic spectroscopy; gas detection; miniaturization;
D O I：
10.1016/j.proeng.2015.08.650
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Photoacoustic spectroscopy is one of the most sensitive techniques used to monitor chemical emission or to detect gas traces. However the sensors bulkiness, cost and complexity prevent their use in applications where mass deployment is required. In this paper, the development and characterization of centimeter sized photoacoustic sensors is presented. With a 2.2 mW optical power interband cascade laser at 3.36 mu m wavelength, a limit of detection of 320 ppbv is obtained for methane. (C) 2015 The Authors. Published by Elsevier Ltd.
引用
收藏
页码：396 / 399
页数：4
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