Detection of carbon dioxide in air using difference-frequency generation based infrared spectrometer

被引：8

作者：

Chen, WD ^{[1
]}

Mouret, G ^{[1
]}

Burie, J ^{[1
]}

Boucher, D ^{[1
]}

机构：

[1] Univ Littoral, MREID, Physicochim Atmosphere Lab, F-59140 Dunkerque, France

来源：

INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES | 1998年 / 19卷 / 03期

关键词：

mid-infrared; nonlinear optic; difference-frequency generation; phase matching; trace gas detection;

D O I：

10.1023/A:1022551408761

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Spectroscopic detection of carbon dioxide (CO2) in ambient air was performed using a continuous-wave mid-infrared spectrometer based on difference-frequency generation in an AgGaS2 crystal. Significant improvement in nonlinear optical frequency conversion efficiency was achieved by Gaussian beam optical design consideration. CO2 concentration was determined from direct absorption spectral measurement.

引用

页码：409 / 417

页数：9

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