The demonstration of thermal infrared quantum cascade laser heterodyne spectrometry to resolve local thermodynamic equilibrium molecular emission lines from earth’s atmospheric constituents is presented. The instrument is described, as well as the early steps towards radiometric calibration. Room temperature ethylene emission line measurements carried out in the laboratory are used to validate the instrument. High-resolution ($0.02{\mathrm{cm}}^{-1}$) emission lines from atmospheric carbon dioxide and water vapor are then recorded in a zenith-looking configuration and compared to a radiative transfer model and ideal instrument model expectations.

中文翻译：

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通过激光外差光谱法测量的大气中光谱解析的热辐射

演示了热红外量子级联激光外差光谱法从地球大气成分中解析局部热力学平衡分子发射线的演示。描述了该仪器以及进行辐射校准的早期步骤。在实验室中进行的室温乙烯排放管线测量用于验证仪器。高分辨率 （$0.02{\mathrm{厘米}}^{-\mathrm{1个}}$）然后以天顶外观的配置记录来自大气中二氧化碳和水蒸气的排放线，并将其与辐射传输模型和理想的仪器模型期望值进行比较。