17O12C17O and 18O12C17O spectroscopy in the 1.6 μm region

摘要

Near infrared spectra of a carbon dioxide sample enriched with oxygen-17 have been recorded using a high-resolution continuous scan Fourier transform interferometer fitted with a femto OPO/Idler laser source. Cavity enhanced absorption has been achieved in a static gas cell allowing an optimal rms noise equivalent absorption of 1.2 × 10−10 cm−1 Hz−1/2 per spectral element to be reached, corresponding to α_min = 10−8 cm−1. Spectra were calibrated against acetylene reference line positions. Three bands in the 3ν₁ + ν₃ tetrad in both 12C17O₂ and 12C17O18O have been identified and rotationally analyzed, as well as some related hot bands, eight of which are newly reported and three with their analysis updated compared with a preliminary report (X. de Ghellinck d’Elseghem Vaernewijck et al., Chem. Phys. Lett. 514, 29 (2011)).View full textDownload full textKeywordscavity enhanced spectroscopy, femto laser, OPO, carbon dioxide, overtone, FTIR, isotopologuesRelated var addthis_config = { ui_cobrand: "Taylor & Francis Online", services_compact: "citeulike,netvibes,twitter,technorati,delicious,linkedin,facebook,stumbleupon,digg,google,more", pubid: "ra-4dff56cd6bb1830b" }; Add to shortlist Link Permalink http://dx.doi.org/10.1080/00268976.2012.705346