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 dc.creator Dale, R. M. en_US dc.creator Herman, M. en_US dc.creator Johns, J. W. C. en_US dc.creator McKellar, A. R. W. en_US dc.creator Nagler, S. en_US dc.date.accessioned 2006-06-15T14:08:40Z dc.date.available 2006-06-15T14:08:40Z dc.date.issued 1978 en_US dc.identifier 1978-WE-05 en_US dc.identifier.uri http://hdl.handle.net/1811/10692 dc.description $^{1}$A.H.M. Ross, R. S. Eng and H. Kildall, Opt. Comm. 12, 433 (1974). $^{2}$P. R. Bunker, J, Mol. Spectrosc. 68, 367 (1977)."" en_US dc.description Author Institution: Herzberg Institute of Astrophysics en_US dc.description.abstract The wavelengths of about 200 lines of the $^{12}C^{18}O$ and $^{13}C^{18}O$ lasers have been measured, using an infrared spectrometer, with an accuracy letter than $0.01\, cm^{-1}$. In addition, about 40 beat frequencies between $^{12}C^{16}O, ^{13}C^{16}O, ^{12}C^{18}O$ and $^{13}C^{18}O$ laser lines have been measured, using an optical heterodyne technique, with an accuracy of about 10 MHz. These data have been combined with measurements already in the literature (see for $example^{1}$) in a least squares fit in which all the isotopic species have been dealt with at the same time. The resulting single set of Dunham coefficients, together with some mass scaling $factors,^{2}$ have been used to calculate CO laser line frequencies. We are especially interested in improving the relative accuracy of the frequencies of the various isotopes in the lower frequency region ($1600-1450\, cm^{-1}$) of laser operation; this is important for the spectroscopic applications (e.g. laser; magnetic resonance, laser Stark spectroscopy) of the CO laser. en_US dc.format.extent 136904 bytes dc.format.mimetype image/jpeg dc.language.iso English en_US dc.publisher Ohio State University en_US dc.title DUNHAM COEFFICIENTS FOR THE GROUND STATE OF CO en_US dc.type article en_US
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