The pure rotational lines of H2O, the ν2 band of CO2, and the ν1 band of OCS were simultaneously recorded by a Fourier transform spectrometer. The resolution achieved was ~0.0045 cm-1, and the precision of the line position was typically 3.6 × 10-5 cm-1 or 1.2 MHz (standard deviation). The spectrum improves the accuracy of wave numbers of calibration lines in the region between 500 and 720 cm-1 by a factor of ~10.
© 1982 Optical Society of America
J. Kauppinen, K. Jolma, and V.-M. Horneman, "New wave-number calibration tables for H2O, CO2, and OCS lines between 500 and 900 cm-1," Appl. Opt. 21, 3332-3336 (1982)