Near-infrared tunable diode laser spectrometer for the remote sensing of vehicle emissions

被引：24

作者：

Barrass, S

Gérard, Y

Holdsworth, RJ

Martin, PA

机构：

[1] UMIST, Dept Chem Engn, Manchester M60 1QD, Lancs, England

[2] Univ Huddersfield, Dept Chem & Biol Sci, Huddersfield HD1 3DH, W Yorkshire, England

[3] UMIST, TDL Sensors Ltd, Ventures Ltd, Manchester M60 1QD, Lancs, England

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2004年 / 60卷 / 14期

关键词：

diode laser spectroscopy; overtones; carbon monoxide detection; carbon dioxide detection; environmental monitoring;

D O I：

10.1016/j.saa.2003.11.038

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

A near-infrared diode laser-based spectrometer has been designed and built for the remote sensing of vehicle emissions. It detects carbon monoxide and carbon dioxide absorptions around 1580 nm and can provide the ratio CO/CO2 for vehicle exhaust studies. The system is battery powered and is designed to sit unobtrusively at the side of the road. The optics and electronics of the system is described and preliminary results are presented from field trials. Extensions to the spectrometer in terms of sensitivity by detection of the more intense first overtone of carbon monoxide around 2320 nm are described, in addition to further work on other species of interest. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：3353 / 3360

页数：8

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