Interband Cascade Lasers Based Trace Gas Sensing: A Review

被引:3
|
作者
Du Zhenhui [1 ]
Han Ruiyan [1 ]
Wang Xiaoyu [1 ]
Wang Shuangke [1 ]
Mengshuo [1 ]
Li Jinyi [2 ]
机构
[1] Tianjin Univ, State Key Lab Precis Measuring Technol & Instrume, Tianjin 300072, Peoples R China
[2] Tianjin Polytech Univ, Key Lab Adv Elect Engn & Energy Technol, Tianjin 300387, Peoples R China
来源
关键词
spectroscopy; interband cascade laser; trace gas detection; mid-infrared; tunable laser absorption spectroscopy; wavelength modulation spectroscopy;
D O I
10.3788/CJL201845.0911006
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Interband cascade lasers (ICL) arc recently developed MIR-infrared (MIR) light sources with high-performance. They cover the MIR spectral region of 3-6 mu m band, and boast the advantages of high efficiency of electro-optic conversion, low-threshold current, and continuous wave operation at room-temperature. ICLs arc one of the most promising MIR lasers for trace gas detection. In this paper, we firstly analyzed the characteristics of the MIR fingerprint absorption spectra, and then briefly described the development, working principle and characteristics of ICLs. We also reviewed the sensitive and selective detection technology for trace gas with the MIR absorption spectrum. In the last parts, the future development of ICI, based sensors was prospected.
引用
收藏
页数:12
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