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Application of a radiometric calibration method to lunar Fourier transform IR spectra by using a liquid-nitrogen-cooled high-emissivity blackbody

机译:液氮冷却高发射率黑体辐射定标法在月傅里叶变换红外光谱中的应用

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Since winter 1994/1995 the Moon has been used in addition ta the Sun as an IR source of radiation to measure atmospheric absorption spectra with a Bruker IR Fourier transform spectrometer IFS 120M located near Kiruna, Sweden. A two-point radiometric calibration method with blackbody references was applied to lunar spectra in the long-wave detector channel to improve the accuracy of evaluation of the column amounts of different atmospheric trace gases. A new liquid-nitrogen-cooled high-emissivity blackbody without an entrance window is described that is used far this calibration method. (C) 1997 Optical Society of America.
机译:从1994/1995年冬季开始,月亮就被用作太阳的红外辐射源,除此之外,太阳还作为太阳辐射的红外源,通过位于瑞典基律纳附近的布鲁克红外傅里叶变换光谱仪IFS 120M来测量大气吸收光谱。将具有黑体参考的两点辐射定标方法应用于长波探测器通道中的月球光谱,以提高评估不同大气痕量气体的柱量的准确性。描述了一种没有入口窗口的新型液氮冷却高发射率黑体,该黑体已在该校准方法中使用。 (C)1997年美国眼镜学会。

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