Differential absorption measurement using a Fabry-Perot laser diode in a self-seeding scheme

被引:0
|
作者
Chen, JW [1 ]
Wang, DN [1 ]
Jin, W [1 ]
Li, ZN [1 ]
机构
[1] Hong Kong Polytech Univ, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China
来源
关键词
differential absorption measurement; self-seeding; gain-switching; Fabry-Perot laser diode; gas sensing;
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暂无
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
Differential absorption measurement for acetylene is achieved by using a Fabry-Perot laser diode in a self-seeding scheme. The two wavelengths from the laser output can be selected conveniently by switching the repetition frequency. The system has flexible wavelength tunability, larger sensitivity than that based on DFB, and high potential for multi-point, multiple gas sensing.
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页码:328 / 331
页数:4
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