Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Weixiong Zhao"'
Autor:
Fei Zheng, Qiusheng He, Xuanbing Qiu, Ligang Shao, Bo Fang, Chuanliang Li, Weixiong Zhao, Jilin Wei
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 222:117118
A laser-based spectrometer with a physical size of 60× 30 ×25 cm3 has been developed to continuously monitor CO and CH4 in atmosphere based on tunable diode laser absorption spectroscopy (TDLAS). Two neighboring lines of CO and CH4 around 2.3 μm w
Autor:
Tao Wang, Weijun Zhang, Tao Wu, Gerard Wysocki, Gaoxuan Wang, Cécile Coeur, Weixiong Zhao, Markus W. Sigrist, Eric Fertein, Christophe Lengignon, Hongming Yi, Weidong Chen, Xiaoming Gao
Publikováno v:
Encyclopedia of Analytical Chemistry
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b9ac1892173a1d1dbe01ae5f9bb5ebc1
https://doi.org/10.1002/9780470027318.a9432
https://doi.org/10.1002/9780470027318.a9432
Publikováno v:
Applied Spectroscopy Reviews. 49:666-691
Tunable diode laser absorption spectroscopy (TDLAS), as a noninvasive spectroscopic method, permits high-resolution, high-sensitivity, fast, in situ absorption measurements of atomic and molecular species and narrow spectral features in gaseous, soli
Autor:
Yujun Zhang, Yingjian Wang, Xiaoming Gao, Wu Tao, Cui Xiaojuan, Laurence Croize, Cécile Coeur, Wenqing Liu, Gerard Wysocki, Christophe Lengignon, Andy Cassez, Fengzhong Dong, Weidong Chen, Weixiong Zhao, Eric Fertein, Weijun Zhang
Publikováno v:
Journal of Quantitative Spectroscopy and Radiative Transfer. 113:1300-1316
Chemically reactive atmospheric species play a crucial role in tropospheric processes which affect regional air quality and global climate change. Contrary to long-lived species such as greenhouse gases, interference-free accurate and precise concent
Publikováno v:
Applied Physics B. 94:85-94
We report on the development of Incoherent Broadband Cavity Enhanced Absorption Spectroscopy (IBBCEAS) using a blue light emitting diode (LED) for the detection of NO2 in laboratory ambient air. Absorption of the oxygen collisional pair in the atmosp
Autor:
Weixiong Zhao, Yingjian Wang, Xiaojuan Cui, Weidong Chen, Tao Wu, Fengzhong Dong, Xiaoming Gao, Wenqing Liu, Eric Fertein, G. Zha, Gerard Wysocki, Christophe Lengignon, Andy Cassez, Xu Zheng, Weijun Zhang, Tao Wang, Rabih Maamary, Cécile Coeur
Publikováno v:
Quantum Sensing and Nanophotonic Devices X.
Chemically reactive short-lived species play a crucial role in tropospheric processes affecting regional air quality and global climate change. Contrary to long-lived species (such as greenhouse gases), fast, accurate and precise monitoring changes i
Autor:
Tao Wu, Weixiong Zhao, Hongming Yi, Weidong Chen, Eric Fertein, Weijun Zhang, Guishi Wang, Cécile Coeur, Xiaoming Gao
Publikováno v:
Optics Express. 24:A781
We overview our recent progress in the developments and applications of light emitting diode-based incoherent broadband cavity enhanced absorption spectroscopy (LED-IBBCEAS) techniques for real-time optical sensing chemically reactive atmospheric spe
Publikováno v:
2008 Conference on Lasers and Electro-Optics.
The HCN absorption spectrum from 6433 to 6613 cm-1 was acquired at room temperature by means of a tunable external cavity diode laser based quartz-enhanced photoacoustic spectroscopy (QEPAS) technique.
Autor:
Weijun Zhang, Mingqiang Huang, Weizheng Li, Jingsong Li, Lunhua Deng, Zhensong Cao, Xiaoming Gao, Weixiong Zhao
Publikováno v:
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy. 64(2)
An inexpensive resonant photoacoustic spectrometer based on a low-power distributed feedback diode laser and wavelength modulation spectroscopy is developed. This sensor has been applied to the detection of acetylene (C2H2) using a properly designed
Autor:
Jie Shao, Shixin Pei, Teng Huang, Xiaoming Gao, Weijun Zhang, Wei Huang, Weixiong Zhao, Fenping Cui
Publikováno v:
SPIE Proceedings.
This paper is about cavity enhanced absorption spectroscopy (CEAS) experiment with a tunable narrow line width continuous wave DFB diode laser and it was used to measure the weak absorption band of carbon dioxide in the near infrared region. The abso