本文用我们自己研制的光谱测量系统测量了常温下的SO2在250～330 nm波段和NO2在280～600nm波段的吸收截面，波长分辨率优于0.1 nm。该测量结果可适用于传统低光谱分辨率仪器遥感大气污染气体含量，也可为激光差分吸收测量或激光雷达测量污染气体含量提供参考。
The absorption cross section of the gases of SO2 and NO2 are measured under ambient temperature within the wavelength range of 250～330 nm and 280～600 nm respectively. The optical resolution is better than 0.1 nm. The results are applicable to traditional low-resolution system for remote sensing the atmospheric pollution gases, and are also useful to DIAL.
参考文献
| [1] | Thompson R T, Hoelli J M, Wade W R. Measurement of SO2 absorption coefficients using a tunable dye laser [J].J. Appl. Phys., 1975, 46(7): 3040～3043 |
| [2] | Brasssington D J. Sulfur dioxide absorption cross-section measurement from 290～317 nm [J]. Appl. Opt., 1981,20(21): 3774～3779 |
| [3] | Mihalcea R M, Baer D S, Hanson R K. Tunable diode-laser absorption measurements of NO2 near 670 and 395 nm[J]. Appl. Opt., 1996, 35(21): 4059～4063 |
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