<trans-title xml:lang="en">NH<sub>3</sub> aliasing absorption spectra at 1103.4 cm<sup>–1</sup> based on continuous quantum cascade laser </trans-title>

Meng-Qi Li; Yu-Jun Zhang; Ying He; Kun You; Bo-Qiang Fan; Dong-Qi Yu; Hao Xie; Bo-En Lei; Xiao-Yi Li; Jian-Guo Liu; Wen-Qing Liu

doi:10.7498/aps.69.20191832

Acta Physica Sinica, Volume. 69, Issue 7, 074201-1(2020)

NH₃ aliasing absorption spectra at 1103.4 cm^–1 based on continuous quantum cascade laser

Meng-Qi Li^1,2, Yu-Jun Zhang^1、*, Ying He¹, Kun You¹, Bo-Qiang Fan^1,2, Dong-Qi Yu^1,2, Hao Xie^1,2, Bo-En Lei^1,2, Xiao-Yi Li¹, Jian-Guo Liu^1,2, and Wen-Qing Liu^1,2

Author Affiliations

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

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

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Figures & Tables(12)

Fig. 1. QCL characteristic measurement experimental device diagram.

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Fig. 2. Experimental gas path diagram.

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Fig. 3. (a) Signal drift without secondary temperature control; (b) signal stable output after adding temperature control

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Fig. 4. The temperature, current and wavelength of QCL

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Fig. 5. (a) Characteristic absorption spectrum signal of ammonia gas under normal pressure; (b) characteristic absorption spectrum signal of ammonia gas under different pressure

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Fig. 6. Fitting results of various absorption lines under different pressures.

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Fig. 7. Spectral line strength values of each absorption line measured by experiment.

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Table 1. NH₃ absorption line and main parameters.

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Table 1. NH₃ absorption line and main parameters.

同位素 Isotopologue	波数 ν/cm^–1	线强 S/(cm^–1/(molecule cm^–2))	空气展宽 γ_air/cm^–1·atm^–1	自展宽 γ_self/cm^–1·atm^–1	爱因斯坦系数 A/s^–1
¹⁴NH₃	1103.43047	7.119 × 10^–²⁰	0.0875	0.452	7.183
¹⁴NH₃	1103.43432	6.131 × 10^–²⁰	0.0933	0.521	5.263
¹⁴NH₃	1103.44122	1.514 × 10^–19	0.0818	0.388	8.654
¹⁴NH₃	1103.46978	7.756 × 10^–²⁰	0.0763	0.328	9.694
¹⁴NH₃	1103.47951	8.172 × 10^–²⁰	0.0994	0.595	2.877
¹⁴NH₃	1103.48575	7.824 × 10^–²⁰	0.071	0.274	10.32

Table 2.
Comparison of experimental measurement line strength and HITRAN database.
实验测量线强与HITRAN数据库对比分析

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Table 2.
Comparison of experimental measurement line strength and HITRAN database.
实验测量线强与HITRAN数据库对比分析

v₀/cm^–1	S_H/cm^–2atm^–1	S_M/cm^–2atm^–1	E/%
1103.43047	1.78339	1.70439	4.43
1103.43432	1.53589	1.46362	4.71
1103.44122	3.79275	3.6901	2.71
1103.46978	1.94297	1.87825	3.33
1103.47951	2.04718	1.97089	3.73
1103.48575	1.96001	1.88383	3.89

Table 3.
Uncertainty in the measurement of the intensity of the overlapping spectral line.
混叠光谱线强测量不确定度

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Table 3.
Uncertainty in the measurement of the intensity of the overlapping spectral line.
混叠光谱线强测量不确定度

	积分吸光度的不确定度 ΔA/%	压强的不确定度 ΔP/%	浓度的不确定度 Δm/%	光程的不确定度 ΔL/%	温度的不确定度 ΔT/%	线强的不确定度 ΔS/%
min	2.42	0.15	0.2	0.2	0.1	2.44
max	8.92	0.15	0.2	0.2	0.1	8.93

Table 4.
Contrast analysis of experimentally measured line strong inversion concentration and HITRAN database line strong inversion concentration.
实验测量线强反演浓度与HITRAN数据库线强反演浓度作对比分析

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Table 4.
Contrast analysis of experimentally measured line strong inversion concentration and HITRAN database line strong inversion concentration.
实验测量线强反演浓度与HITRAN数据库线强反演浓度作对比分析

实验气压/ torr	HITRAN数据库线强反演浓度 m₁/ppm	实验测量线强反演浓度 m₂/ppm	m₁与实际浓度偏差/%	m₂与实际浓度偏差/%
3.2	104.98	102.55	4.98	2.55
8.5	103.89	101.94	3.89	1.94
12.6	102.90	101.40	2.90	1.40
19.7	103.08	101.07	3.08	1.07
25.4	103.22	101.00	3.22	1.00
31.8	106.23	102.88	6.23	2.88
90.7	108.53	104.91	8.53	4.91
760	108.86	104.93	8.86	4.93

Table 5.
Comparison results of different pressure and standard gas concentrations.
不同压力、标气浓度的比较结果

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Table 5.
Comparison results of different pressure and standard gas concentrations.
不同压力、标气浓度的比较结果

压力P/torr	反演浓度 m₁, m₂/ppm	标气浓度m/ppm
压力P/torr	反演浓度 m₁, m₂/ppm	3.2	8.5	12.6	19.7	25.4	760
151.68	m₁	156.68	155.32	154.73	154.79	154.81	159.62
151.68	m₂	154.12	153.54	153.05	152.77	152.70	155.48
202.00	m₁	207.13	206.67	205.14	205.45	205.86	210.97
202.00	m₂	205.25	204.73	204.29	203.88	203.82	207.06
250.34	m₁	256.08	255.03	254.26	254.45	254.71	260.25
250.34	m₂	254.37	253.79	253.25	252.91	252.86	256.61
413.00	m₁	420.47	419.73	418.18	418.55	418.94	423.77
413.00	m₂	419.65	418.33	417.61	416.87	416.76	420.51

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Meng-Qi Li, Yu-Jun Zhang, Ying He, Kun You, Bo-Qiang Fan, Dong-Qi Yu, Hao Xie, Bo-En Lei, Xiao-Yi Li, Jian-Guo Liu, Wen-Qing Liu. NH₃ aliasing absorption spectra at 1103.4 cm^–1 based on continuous quantum cascade laser [J]. Acta Physica Sinica, 2020, 69(7): 074201-1

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Paper Information

Category:

Received: Dec. 3, 2019

Accepted: --

Published Online: Nov. 20, 2020

The Author Email:

DOI:10.7498/aps.69.20191832

Topics

Nuclear physics

Particles and fields

Particle and nuclear astrophysics and cosmology

Table 1. NH3 absorption line and main parameters.

Table 1. NH3 absorption line and main parameters.

Table 2. Comparison of experimental measurement line strength and HITRAN database.实验测量线强与HITRAN数据库对比分析

Table 2. Comparison of experimental measurement line strength and HITRAN database.实验测量线强与HITRAN数据库对比分析

Table 3. Uncertainty in the measurement of the intensity of the overlapping spectral line.混叠光谱线强测量不确定度

Table 3. Uncertainty in the measurement of the intensity of the overlapping spectral line.混叠光谱线强测量不确定度

Table 4. Contrast analysis of experimentally measured line strong inversion concentration and HITRAN database line strong inversion concentration.实验测量线强反演浓度与HITRAN数据库线强反演浓度作对比分析

Table 4. Contrast analysis of experimentally measured line strong inversion concentration and HITRAN database line strong inversion concentration.实验测量线强反演浓度与HITRAN数据库线强反演浓度作对比分析

Table 5. Comparison results of different pressure and standard gas concentrations.不同压力、标气浓度的比较结果

Table 5. Comparison results of different pressure and standard gas concentrations.不同压力、标气浓度的比较结果

Table 1. NH₃ absorption line and main parameters.

Table 1. NH₃ absorption line and main parameters.

Table 2.
Comparison of experimental measurement line strength and HITRAN database.
实验测量线强与HITRAN数据库对比分析

Table 2.
Comparison of experimental measurement line strength and HITRAN database.
实验测量线强与HITRAN数据库对比分析

Table 3.
Uncertainty in the measurement of the intensity of the overlapping spectral line.
混叠光谱线强测量不确定度

Table 3.
Uncertainty in the measurement of the intensity of the overlapping spectral line.
混叠光谱线强测量不确定度

Table 4.
Contrast analysis of experimentally measured line strong inversion concentration and HITRAN database line strong inversion concentration.
实验测量线强反演浓度与HITRAN数据库线强反演浓度作对比分析

Table 4.
Contrast analysis of experimentally measured line strong inversion concentration and HITRAN database line strong inversion concentration.
实验测量线强反演浓度与HITRAN数据库线强反演浓度作对比分析

Table 5.
Comparison results of different pressure and standard gas concentrations.
不同压力、标气浓度的比较结果

Table 5.
Comparison results of different pressure and standard gas concentrations.
不同压力、标气浓度的比较结果