Rutkowski, L;
Foltynowicz, A;
Schmidt, FM;
Johansson, AC;
Khodabakhsh, A;
Kyuberis, AA;
Zobov, NF;
... Tennyson, J; + view all
(2018)
An experimental water line list at 1950 K in the 6250–6670 cm−1 region.
Journal of Quantitative Spectroscopy and Radiative Transfer
, 205
pp. 213-219.
10.1016/j.jqsrt.2017.10.016.
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Abstract
An absorption spectrum of H 2 16 O at 1950 K is recorded in a premixed methane/air flat flame using a cavity-enhanced optical frequency comb-based Fourier transform spectrometer. 2417 absorption lines are identified in the 6250–6670 cm−1 region with an accuracy of about 0.01 cm−1. Absolute line intensities are retrieved using temperature and concentration values obtained by tunable diode laser absorption spectroscopy. Line assignments are made using a combination of empirically known energy levels and predictions from the new POKAZATEL variational line list. 2030 of the observed lines are assigned to 2937 transitions, once blends are taken into account. 126 new energy levels of H 2 16 O are identified. The assigned transitions belong to 136 bands and span rotational states up to J=27.
| Type: | Article |
|---|---|
| Title: | An experimental water line list at 1950 K in the 6250–6670 cm−1 region |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1016/j.jqsrt.2017.10.016 |
| Publisher version: | http://dx.doi.org/10.1016/j.jqsrt.2017.10.016 |
| Language: | English |
| Additional information: | © 2017 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license. (http://creativecommons.org/licenses/by/4.0/) |
| Keywords: | Water, Absorption, Fourier transform spectroscopy, Optical cavity, Frequency combab initio Calculations |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy |
| URI: | https://discovery-pp.ucl.ac.uk/id/eprint/10039226 |
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