C-13 Methanol Far-Infrared Laser: Newly Discovered Lines, Predictions, and Assignments

We report 25 new laser lines from13CH3OH methanol when pumped by a cw CO2laser. The majority of the lines are pumped by the 10R (regular) and 10SR (sequence) bands of the CO2laser. Two are pumped by the 9HP(20) hot-band CO2line. We measured 22 laser frequencies in this molecule, 19 from new lines an...

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Bibliographic Details
Published in:Journal of molecular spectroscopy 1998-03, Vol.188 (1), p.102-105
Main Authors: Vasconcellos, E.C.C., Zerbetto, S.C., Zink, L.R., Evenson, K.M., Lees, R.M., Xu, Li-Hong
Format: Article
Language:English
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Summary:We report 25 new laser lines from13CH3OH methanol when pumped by a cw CO2laser. The majority of the lines are pumped by the 10R (regular) and 10SR (sequence) bands of the CO2laser. Two are pumped by the 9HP(20) hot-band CO2line. We measured 22 laser frequencies in this molecule, 19 from new lines and three from previously reported lines. We also remeasured and corrected the frequency of the 9P(44) pumped line as 3 378 404.87 MHz (88.738 μm). We assigned two lines—10SR(17), 77.5758 cm−1and 10R(50), 119.3020 cm−1—and predicted other potential far-infrared laser lines with these two pumps.
ISSN:0022-2852
1096-083X
DOI:10.1006/jmsp.1997.7496