Simultaneous Measurement of Atmospheric Multi-Component (CO, N<sub>2</sub>O, and H<sub>2</sub>O) Based on Single Quantum Cascaded Laser

Lewen Zhang; Pengshuai Sun; Xu Liu; Tao Pang; Bian Wu; Hua Xia; Zhirong Zhang

doi:10.3788/AOS202242.0430002

Acta Optica Sinica, Volume. 42, Issue 4, 0430002(2022)

Simultaneous Measurement of Atmospheric Multi-Component (CO, N₂O, and H₂O) Based on Single Quantum Cascaded Laser

Lewen Zhang^1,2, Pengshuai Sun¹, Xu Liu^1,2,3, Tao Pang¹, Bian Wu¹, Hua Xia¹, and Zhirong Zhang^1,4,5、*

¹Anhui Provincial Key Laboratory of Photonic Devices and Materials, Anhui Institute of Optics and Fine Mechanics, HFIPS, Chinese Academy of Sciences, Hefei, Anhui 230031, China

²Science Island Branch, Graduate School of University of Science and Technology of China, Hefei, Anhui 230026, China

³School of Electronic and Electrical Engineering, Bengbu University, Bengbu, Anhui 233030, China

⁴School of Environment Science and Optoelectronic Technology, University of Science and Technology of China, Hefei, Anhui 230026, China

⁵Key Laboratory of Environmental Optics & Technology, Hefei Institute of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China;

show less

Abstract Get PDF(in Chinese)

Figures & Tables(9)

Fig. 1. Absorption spectra of CO, N₂O, and H₂O near 2204 cm^-1

Download full size

Fig. 2. Schematic diagram of multi-component gas monitoring system

Download full size

Fig. 3. Power and wavenumber characteristics of quantum cascaded laser

Download full size

$2f signal for different sampling point number and linear relationship between CO volume fraction and 2f signal. (a) 2f signal for different sampling point number; (b) linear relationship between CO volume fraction and 2f signal$

Fig. 4. 2f signal for different sampling point number and linear relationship between CO volume fraction and 2f signal. (a) 2f signal for different sampling point number; (b) linear relationship between CO volume fraction and 2f signal

Download full size

$2f signal for different sampling point number, and linear relationship between N2O volume fraction and 2f signal. (a) 2f signal for different sampling point number; (b) linear relationship between N2O volume fraction and 2f signal$

Fig. 5. 2f signal for different sampling point number, and linear relationship between N₂O volume fraction and 2f signal. (a) 2f signal for different sampling point number; (b) linear relationship between N₂O volume fraction and 2f signal

Download full size

$Continuously measured volume fraction and Allan deviation. (a)--(c) Continuously measured volume fraction; (d)--(f) Allan deviation$

Fig. 6. Continuously measured volume fraction and Allan deviation. (a)--(c) Continuously measured volume fraction; (d)--(f) Allan deviation

Download full size

Fig. 7. Comparison of 2f harmonics at different moments

Download full size

Fig. 8. Continuous measurement record data. (a) NO; (b) N₂O; (c) H₂O

Download full size

Table 1. Parameters of selected absorption lines
View table
Table 1. Parameters of selected absorption lines
Molecule Wavenumber /cm^-1 Spectral line intensity /(cm·molecule^-1)
CO 2203.16100 1.311×10^-19
N₂O 2203.73333 7.903×10^-19
2204.71532 8.266×10^-19
H₂O 2205.21723 2.490×10^-19
2205.21724 8.347×10^-24

Tools

Get Citation

Copy Citation Text

Lewen Zhang, Pengshuai Sun, Xu Liu, Tao Pang, Bian Wu, Hua Xia, Zhirong Zhang. Simultaneous Measurement of Atmospheric Multi-Component (CO, N₂O, and H₂O) Based on Single Quantum Cascaded Laser[J]. Acta Optica Sinica, 2022, 42(4): 0430002

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites