Absorption spectroscopy spectroscopy of ethylene near 1.62 μm at high temperatures

被引：7

作者：

Zhang, Gang ^{[1
]}

Gao, Guangzhen ^{[1
]}

Zhang, Ting ^{[1
]}

Liu, Xin ^{[1
]}

Peng, Changde ^{[1
]}

Cai, Tingdong ^{[1
]}

机构：

[1] Jiangsu Normal Univ, Coll Phys & Elect Engn, Xuzhou 221116, Jiangsu, Peoples R China

来源：

JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER | 2020年 / 241卷

基金：

中国国家自然科学基金;

关键词：

Ethylene; Spectroscopy; High temperature; Line positions; Line intensities; Self-broadening coefficients; TUNABLE DIODE-LASER; BROADENING COEFFICIENTS; LINE-INTENSITIES; CO2; TRANSITIONS; C2H4; PARAMETERS; DOPPLER; AMMONIA; VOIGT; METHANE;

D O I：

10.1016/j.jqsrt.2019.106748

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report the measured line positions, line intensities, self-broadening coefficients and its temperature exponent n of C2H4 for more than 50 lines in the frequency range 6167.39 to 6177.71 cm(-1). These spectroscopic parameters were determined by multi-line fitting using the Voigt profile of absorption spectra measured with a distributed-feedback (DFB) tunable diode laser in a well-controlled heated static absorption cell in a temperature range of 296-600 K. The key factors influencing the uncertainties in the determination of the line intensities and self-broadening coefficients were analyzed respectively. To the best of our knowledge, this is the first study that measures the spectrum of C2H4 near 1.62 mu m and the line parameters at elevated temperature. (C) 2019 Elsevier Ltd. All rights reserved.

引用

页数：10

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