Abstract

The absorption spectra of carbon monoxide confined in aerogel were recorded using Bruker IFS 125HR Fourier transform spectrometer within 2000–6500 cm−1 spectral range. The influence of degree of vibrational excitation on the line half-width for 1-0, 2-0 and 3-0 bands of CO confined in the same aerogel sample was studied for the first time. It was found that the character of obtained rotational dependencies is identical for all three bands and vibrational excitation insignificantly affects line HWHM.

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