The laser spectroscopy of highly excited vibrational states of HD16O

High-Order Resonance Interactions in HDO: Analysis of the Absorption Spectrum in the 14980–15350 cm−1 Spectral Region

“…In the present report, we limited our analysis to the 14 980 -15 350 cm Ϫ1 spectral region which corresponds to rovibrational transitions involving the (014) upper vibrational state. The upper energy region between 15 500 and 17 100 cm Ϫ1 includes the stronger (005) transition which was previously investigated (2). The analysis of the (005) band showed that the (005) level is isolated, i.e., largely decoupled from the other vibrational states.…”

High resolution Fourier transform spectroscopy of HD16O: Line positions, absolute intensities and self broadening coefficients in the 8800–11,600cm−1 spectral region

“…Table 1 gives the spectral regions, the number of transitions and the maximal values of the rotational numbers J and K a for the 29 bands. Results of previous studies of the HD 16 O absorption spectra in this region have been published in [15,16,[22][23][24][25][26][27][28][29][30]. According to the recent review of the IUPAC task group [21], overall 5291 transitions have been observed in these previous studies between 8800 .…”

“…The HD 16 O spectrum in this region has been the subject of several studies [22][23][24][25][26][27][28][29][30] based on four experimental techniques: ICLAS (IntraCavity LAser Spectrometer), ICLAS-VECSEL (Vertical External Cavity Surface Emitting Laser), PAS (PhotoAcoustic Spectroscopy) and FTS (Fourier Transform Spectrometer). Most of these concentrate on the determination of lines positions and on the rovibrational analysis; they provide assignments and upper energy levels with accuracy close to the experimental uncertainty.…”

“…Most of these concentrate on the determination of lines positions and on the rovibrational analysis; they provide assignments and upper energy levels with accuracy close to the experimental uncertainty. Five of them [23,[25][26][27][28] give rotational, centrifugal distortion, vibrational and coupling constants using the effective Hamiltonian approach. In these papers, the stated accuracies for the line positions are limited to 0.001 cm À 1 in the best case for resolutions ranging between 0.04 and 0.005 cm…”

“…Bykov et al [23] mentioned that they analysed relative line strengths but these authors do not report these values. Bertseva et al [27] and Naumenko et al [28] have performed rough intensities estimates for identification purposes but do not report them either.…”