基于可调谐激光吸收光谱技术的二硫化碳中红外光谱参数测量

管林强; 邓昊; 姚路; 聂伟; 许振宇; 李想; 臧益鹏; 胡迈; 范雪丽; 杨晨光; 阚瑞峰

doi:10.7498/aps.68.20182140

摘要

采用$4.6\;{\text{μ}}{\rm{m}}$附近的量子级联激光器作为光源, 搭建了一套二硫化碳(CS₂)吸收光谱测量系统, 结合可调谐二极管激光吸收光谱技术, 对光谱范围为2178.99—2180.79 cm^–1的CS₂吸收光谱展开了深入研究, 重点测量了2180.5—2180.74 cm^–1的四条吸收谱线, 利用基于非线性最小二乘的多元线性回归算法对CS₂吸收光谱进行拟合, 精确得到了该范围内谱线的中心波长、线强以及空气展宽系数等光谱参数. 经计算, 对应谱线线强不确定度小于5%, 空气展宽系数不确定度小于15%, 这个结果可作为免标定CS₂红外光谱探测的基础光谱参数, 对痕量CS₂气体传感具有重要意义. 未来我们将进一步开展2170—2200 cm^–1整个谱段的CS₂谱线参数的测量, 以期填补其在HITRAN和GEISA 数据库光谱参数的空白.

关键词:

Abstract

Carbon disulfide (CS₂) is a toxic volatile sulfur compound with flammability and harmfulness, which can seriously harm the human health and threaten the industrial production safety. Therefore, it is of high importance for monitoring CS₂ concentration in the air. Tunable diode laser absorption spectroscopy is very suitable for the detection of trace gas for it possesses high sensitivity and fast response. And the precise knowledge of spectroscopic parameters is essential for deducing the CS₂ concentration. However, primary database including HITRAN and GEISA lacks spectroscopic parameters of CS₂. Thus, to address this issue, a measurement system of absorption spectrum is built for determining spectroscopic parameters by using a quantum cascade laser with narrow linewidth and high output power operating near 4.6 um as a light source. In this paper, direct absorption spectroscopy is used to measure the CS₂ absorption spectra under different sample pressures and the environment temperature is controlled at 296 K, which is adjusted by an air conditioner. We intensively study the absorption spectra of CS₂ in a range between 2178.99 and 2180.79 cm^–1.According to the relevant reports and the need of actual measurement, four absorption lines are mainly measured in a range of 2180.5−2180.74 cm^–1. Combining with the multiple linear regression algorithm based on the nonlinear least-square method and Beer-Lambert law, the integrated area and Lorentz line width of measured CS₂ absorption spectrum can be determined. Then the spectroscopic parameters including absorption line intensity and air broadening coefficient are precisely obtained by linearly fitting the integrated areas and Lorentz line widths of CS₂ absorption spectra at different pressures. Moreover, nitrous oxide (N₂O) absorption spectrum with high spectral resolution is measured to calibrate the central position of carbon disulfide absorption line according to its known line position extracted from HITRAN database and the results obtained by etalon. The calculated results show that the uncertainty of line intensity and air broadening coefficient are less than 5% and 15%, respectively. It demonstrates that the measured spectroscopic parameters of four absorption lines for this study can be recorded in the database of HITRAN, which is very important for trace gas sensing of CS₂. In the future, we will further improve the system for measuring CS₂ absorption line parameters to fill in the gaps in their spectral parameters in HITRAN and GEISA databases.

Keywords:

carbon disulfide (CS₂) /
quantum cascade laser /
tunable diode laser absorption spectroscopy /
spectroscopic parameters

作者及机构信息

1.
中国科学院合肥物质科学研究院, 安徽光学精密机械研究所, 环境光学与技术重点实验室, 合肥 230031

2.
中国科学技术大学, 合肥 230026

3.
中国科学院长春光学精密机械与物理研究所, 长春 130000

通信作者: 杨晨光, cgyang@aiofm.ac.cn ; 阚瑞峰, kanruifeng@aiofm.ac.cn

基金项目: 国家重点研发计划(批准号: 2016YFC201100)资助的课题.

Authors and contacts

1.
Key Laboratory of Environmental Optics and Technology, Anhui Institute of Optics and Fine Mechanics, Hefei Institute of Physical Science, China Academy of Sciences, Hefei 230031, China

2.
University of Science and Technology of China, Hefei 230026, China

3.
Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130000, China

Corresponding author: Yang Chen-Guang, cgyang@aiofm.ac.cn ; Kan Rui-Feng, kanruifeng@aiofm.ac.cn

Funds: Project supported by the National Key Research and Development Program of China (Grant No. 2016YFC0201100).

文章全文 : translate this paragraph

参考文献

[1]	Wang B, Sivret E C, Parcsi G, Stuetz R M 2015 Talanta 137 71 Google Scholar
[2]	Du Z, Li J, Cao X, Gao H, Ma Y 2017 Sensor. Actuat. B: Chem. 247 384 Google Scholar
[3]	Kilo S, Zonnur N, Uter W, Göen T, Drexler H 2015 Ann. Occup. Hyg. 59 972 Google Scholar
[4]	Wang L, Zhang Y, Zhou X, Zhang Z 2018 Appl. Opt. 57 21
[5]	Kamboures M A, Blake D R, Cooper D M, Newcomb R L, Barker M, Larson J K, Rowland F S 2005 PANS 102 15762 Google Scholar
[6]	Rochette P, Jackson M, Aubourg C 1992 Rev. Geophys. 30 209 Google Scholar
[7]	陈祥 2018 博士学位论文 (合肥: 中国科学技术大学) Chen X 2018 Ph. D. Dissertation (Hefei: University of Science and Technology of China) (in Chinese)
[8]	Waclawek J P, Moser H, Lendl B 2016 Opt. Express 24 6559 Google Scholar
[9]	Jia H, Zhao W, Cai T, Chen W, Zhang W, Gao X 2009 J. Quant. Spectrosc. Radiat. Transfer. 110 347 Google Scholar
[10]	Buchholz B, Böse N, Ebert V 2014 Appl. Phys. B 116 883 Google Scholar
[11]	Nwaboh J A, Werhahn O, Ortwein P, Schiel D, Ebert V 2012 Meas. Sci. Technol. 24 015202
[12]	Sehnert S S, Jiang L, Burdick J F, Risby T H 2002 Biomarkers 7 174 Google Scholar
[13]	Blanquet G, Daoust L, Walrand J, Bredohl H, Dubois I, Fayt A 2006 J. Mol. Struc. 780 171
[14]	Sirgy M J, Grzeskowiak S, Rahtz D 2007 Soc. Indic. Res. 80 343 Google Scholar
[15]	魏敏 2017 博士学位论文(合肥: 中国科学技术大学) Wei M 2017 Ph. D. Dissertation (Hefei: University of Science and Technology of China) (in Chinese)
[16]	Faist J, Capasso F, Sivco D L, Sirtori C, Hutchinson A L, Cho A Y 1994 Science 264 553 Google Scholar
[17]	Chin M, Davis D D 1993 Global Biogeochem. Cy. 7 321 Google Scholar
[18]	Zumkehr A, Hilton T W, Whelan M, Smith S, Kuai L, Worden J, Campbell J E 2018 Atmos. Environ. 183 11 Google Scholar
[19]	Sharpe S W, Johnson T J, Sams R L, Chu P M, Rhoderick G C, Johnson P A 2004 Appl. Spectrosc. 58 1452 Google Scholar
[20]	聂伟, 阚瑞峰, 许振宇, 姚路, 夏辉辉, 彭于权, 张步强, 何亚柏 2017 物理学报 66 204204 Google Scholar Nie W, Kan R F, Xu Z Y, Yao L, Xia H H, Peng Y Q, Zhang B Q, He Y B 2017 Acta Phys. Sin. 66 204204 Google Scholar
[21]	聂伟, 阚瑞峰, 许振宇, 杨晨光, 陈兵, 夏辉辉, 魏敏, 陈祥, 姚路, 李杭, 范雪丽, 胡佳屹 2017 物理学报 66 054207 Google Scholar Nie W, Kan R F, Xu Z Y, Yang C G, Chen B, Xia H H, Wei M, Chen X, Yao L, Li H, Fan X L, Hu J Y 2017 Acta Phys. Sin. 66 054207 Google Scholar

施引文献

图 1 CS₂吸收光谱测量实验装置结构图

Fig. 1. Experimental schematic of CS₂ tunable diode laser sensor system.

下载: 全尺寸图片幻灯片

图 2 PNNL数据库中CS₂吸收光谱

Fig. 2. The CS₂ absorption spectra obtained from PNNL database.

下载: 全尺寸图片幻灯片

图 3 N₂O吸收光谱信号和标准具干涉条纹

Fig. 3. The measured N₂O absorption spectrum signal and obtained interference fringes by optical etalon.

下载: 全尺寸图片幻灯片

图 4 2180.65676, 2180.69443, 2180.54844和2180.55578 cm^–1处CS₂ Voigt线性拟合结果及残差

Fig. 4. Voigt fitted line and residual of the CS₂ spectrum at 2180.65676, 2180.69443, 2180.54844, and 2180.55578 cm^–1, respectively.

下载: 全尺寸图片幻灯片

图 5 2180.65676, 2180.69443, 2180.54844和2180.55578 cm^–1处CS₂ 线强线性拟合结果

Fig. 5. The linear fittd results of line-strength of the CS₂ at 2180.65676, 2180.69443, 2180.54844, and 2180.55578 cm^–1.

下载: 全尺寸图片幻灯片

图 6 2180.65676, 2180.69443, 2180.54844和2180.55578 cm^–1处含1% CS₂的混合气体的拟合结果

Fig. 6. The Voigt fitted results of mixed gas containing 1% CS₂ spectrum at 2180.65676, 2180.69443, 2180.54844, and 2180.55578 cm^–1, respectively.

下载: 全尺寸图片幻灯片

图 7 2180.65676, 2180.69443, 2180.54844和2180.55578 cm^–1处不同压力的洛伦兹线宽

Fig. 7. Linear fit of Lorenz linewidth for different pressures at 2180.65676, 2180.69443, 2180.54844, and 2180.55578 cm^–1, respectively.

下载: 全尺寸图片幻灯片

表 1 计算得到线强值、不确定度以及空气展宽值和不确定度

Table 1. The calculated spectroscopic parameters including line-strengths, air broadening coefficients, and the corresponding uncertainty.

${\rm{\nu }_0}/{\rm{c}}{{\rm{m}}^{ - 1}}$
${\rm{\nu }_0}/{\rm{c}}{{\rm{m}}^{ - 1}}$	S(T₀)/cm·molecule^–1	Uncertainty/%	Air broadening/cm^–1·atm^–1	Uncertainty/%
2180.54844	9.19 × 10^–22	1.792	0.087	0.336
2180.55578	1.97 × 10^–21	4.055	0.092	3.384
2180.65676	2.24 × 10^–21	4.537	0.103	7.098
2180.69443	1.11 × 10^–21	2.232	0.086	14.687

下载: 导出CSV

[1]	Wang B, Sivret E C, Parcsi G, Stuetz R M 2015 Talanta 137 71 Google Scholar
[2]	Du Z, Li J, Cao X, Gao H, Ma Y 2017 Sensor. Actuat. B: Chem. 247 384 Google Scholar
[3]	Kilo S, Zonnur N, Uter W, Göen T, Drexler H 2015 Ann. Occup. Hyg. 59 972 Google Scholar
[4]	Wang L, Zhang Y, Zhou X, Zhang Z 2018 Appl. Opt. 57 21
[5]	Kamboures M A, Blake D R, Cooper D M, Newcomb R L, Barker M, Larson J K, Rowland F S 2005 PANS 102 15762 Google Scholar
[6]	Rochette P, Jackson M, Aubourg C 1992 Rev. Geophys. 30 209 Google Scholar
[7]	陈祥 2018 博士学位论文 (合肥: 中国科学技术大学) Chen X 2018 Ph. D. Dissertation (Hefei: University of Science and Technology of China) (in Chinese)
[8]	Waclawek J P, Moser H, Lendl B 2016 Opt. Express 24 6559 Google Scholar
[9]	Jia H, Zhao W, Cai T, Chen W, Zhang W, Gao X 2009 J. Quant. Spectrosc. Radiat. Transfer. 110 347 Google Scholar
[10]	Buchholz B, Böse N, Ebert V 2014 Appl. Phys. B 116 883 Google Scholar
[11]	Nwaboh J A, Werhahn O, Ortwein P, Schiel D, Ebert V 2012 Meas. Sci. Technol. 24 015202
[12]	Sehnert S S, Jiang L, Burdick J F, Risby T H 2002 Biomarkers 7 174 Google Scholar
[13]	Blanquet G, Daoust L, Walrand J, Bredohl H, Dubois I, Fayt A 2006 J. Mol. Struc. 780 171
[14]	Sirgy M J, Grzeskowiak S, Rahtz D 2007 Soc. Indic. Res. 80 343 Google Scholar
[15]	魏敏 2017 博士学位论文(合肥: 中国科学技术大学) Wei M 2017 Ph. D. Dissertation (Hefei: University of Science and Technology of China) (in Chinese)
[16]	Faist J, Capasso F, Sivco D L, Sirtori C, Hutchinson A L, Cho A Y 1994 Science 264 553 Google Scholar
[17]	Chin M, Davis D D 1993 Global Biogeochem. Cy. 7 321 Google Scholar
[18]	Zumkehr A, Hilton T W, Whelan M, Smith S, Kuai L, Worden J, Campbell J E 2018 Atmos. Environ. 183 11 Google Scholar
[19]	Sharpe S W, Johnson T J, Sams R L, Chu P M, Rhoderick G C, Johnson P A 2004 Appl. Spectrosc. 58 1452 Google Scholar
[20]	聂伟, 阚瑞峰, 许振宇, 姚路, 夏辉辉, 彭于权, 张步强, 何亚柏 2017 物理学报 66 204204 Google Scholar Nie W, Kan R F, Xu Z Y, Yao L, Xia H H, Peng Y Q, Zhang B Q, He Y B 2017 Acta Phys. Sin. 66 204204 Google Scholar
[21]	聂伟, 阚瑞峰, 许振宇, 杨晨光, 陈兵, 夏辉辉, 魏敏, 陈祥, 姚路, 李杭, 范雪丽, 胡佳屹 2017 物理学报 66 054207 Google Scholar Nie W, Kan R F, Xu Z Y, Yang C G, Chen B, Xia H H, Wei M, Chen X, Yao L, Li H, Fan X L, Hu J Y 2017 Acta Phys. Sin. 66 054207 Google Scholar

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