Spectroscopy processing for the NO measurement based on the room-temperature pulsed quantum cascade laser | Zendy

Tang Yuan-Yuan | Zendy; Jianguo Liu | Zendy; Ruifeng Kan | Zendy; Yujun Zhang | Zendy; Zhenyu Xu | Zendy; Xiao-wen Shu | Zendy; Shuai Zhang | Zendy; He Ying | Zendy; Hui Geng | Zendy; Cui Yi-ben | Zendy

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Spectroscopy processing for the NO measurement based on the room-temperature pulsed quantum cascade laser

Author(s) -

Tang Yuan-Yuan,

Jianguo Liu,

Ruifeng Kan,

Yujun Zhang,

Zhenyu Xu,

Xiao-wen Shu,

Shuai Zhang,

He Ying,

Hui Geng,

Cui Yi-ben

Publication year - 2010

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.59.2364

Subject(s) - spectroscopy , quantum cascade laser , materials science , laser , cascade , absorption spectroscopy , residual , calibration , optics , absorption (acoustics) , analytical chemistry (journal) , detection limit , physics , chemistry , computer science , algorithm , chromatography , quantum mechanics , composite material

The intra-pulse spectroscopy based on room-temperature pulsed quantum cascade(QC) lasers was introduced. With a room-temperature pulsed QC laser centered at 1904 cm-1, the sample NO gas has been detected.The least-squared algorithm of baseline fitting and concentration retrieving method were introduced for the single line spectroscopy detection, and the gas concentration can be calculated with scan integration and the corresponding values from HITRAN04 database by direct-absorption technique, without calibration. The detection limit was obtained by analyzing the residual of the absorption spectroscopy as 34 ×10-6m.

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