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Resonant photoacoustic spectrometer enhanced by multipass absorption for detecting atmospheric CH4 at the ppb-level 期刊论文
FRONTIERS IN CHEMISTRY, 2022, 卷号: 10
作者:  Liu, Qiang;  Sun, Yi;  Qiu, Xuanbing;  Guo, Guqing;  Li, Lin;  Gong, Ting;  Li, Chuanliang
收藏  |  浏览/下载:39/0  |  提交时间:2022/12/22
photoacoustic spectroscopy (PA)  herriott-type  multipass enhancement  wavelength modulation spectroscopy (laser spectroscopy)  atmospheric CH4 detection  
Sub-ppb nitrogen dioxide detection based on resonant photoacoustic spectroscopy 期刊论文
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, 2021
作者:  Sun, Yi;  Liu, Qiang;  Zha, Shenlong;  Qiu, Xuanbing;  Chang, Hong;  Feng, Shiling;  Guo, Guqing;  He, Xiaohu;  He, Qiusheng;  Li, Chuanliang
收藏  |  浏览/下载:52/0  |  提交时间:2021/04/26
Allan variance  Kalman filter  laser photoacoustic spectroscopy  nitrogen dioxide detection  reflection enhanced