“…(Reims, France), described elsewhere (21,22). It works on stepping mode and needs about 40 min to record one spectrum with an unapodized resolution of 0.0033 cm Ϫ1 , corresponding to a 1.509-m path difference.…”
“…(Reims, France), described elsewhere (21,22). It works on stepping mode and needs about 40 min to record one spectrum with an unapodized resolution of 0.0033 cm Ϫ1 , corresponding to a 1.509-m path difference.…”
“…The spectra were recorded with the Fourier transform Measurements of air (oxygen and nitrogen) broadening spectrometer of Reims, described elsewhere (22). We use of O 3 are important in deriving vertical column densities here an InSb detector leading to S/N on the order of 800 in of ozone in the atmosphere, using infrared high resolution the 5 mm range as observed in Figs.…”
“…The sample used is methane in natural abundance, i.e., 98.827% 12 CH 4 , with a purity of 99.995%. Spectra at low and high pressures, with a temperature of 297 Ϯ 1 K, were recorded with the GSMA Fourier transform spectrometer at Reims (4).…”
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