Powerful mid-infrared light emitting diodes for pollution monitoring

被引:51
作者
Popov, AA [1 ]
Sherstnev, VV [1 ]
Yakovlev, YP [1 ]
Baranov, AN [1 ]
Alibert, C [1 ]
机构
[1] UNIV MONTPELLIER 2,CNRS,UMR 5507,CTR ELECTRON & MICROOPTOELECT MONTPELLIER,F-34095 MONTPELLIER,FRANCE
关键词
light emitting diodes; pollution detection and control; gas sensors;
D O I
10.1049/el:19970002
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
Powerful mid-infrared (1.7-4.8 mu m) light emitting diodes were manufactured by liquid phase epitaxy using GaSb-InAs compounds. Their output optical power was enhanced up to 2-3.5mW using symmetrical double heterostructures with large band offsets. These diodes can be used as narrow bandwidth emitters for cost-reduced setups for atmospheric pollution monitoring.
引用
收藏
页码:86 / 88
页数:3
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