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Remote sense for environment pollution gases in wide infrared spectral range

It is aimed at environment pollution gases remote sensing in wide infrared spectrum, using the technique of long wavelength infrared Fourier transform spectrometer, by extended the detector responsive spectral range, to detect the spectral ‘fingerprint’ characteristic under the certain condition. The paper specifically described experiments in the spectral range 7.0 cm-1～14.5μm (700-1450 cm-1). The application example by used instrument PARES100 is showed, with both the spectral radiance difference and brightness temperature, the 11 kinds industry common chemical and toxic vapors gas were successfully detected, and the approximate concentration that could been measured in terms of concentration and path length times.