Diode laser heterodyne spectroscopy on the ν4 and ν9 bands of 1,1-difluoroethylene

Portions of the ν 4 and ν 9 bands of 1,1-difluoroethylene have been studied with a diode laser spectrometer. Line measurements were made by using markers produced by beating the output of the diode laser with the radiation from a CO 2 laser. With a dual trace oscilloscope presentation, frequencies o...

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Bibliographic Details
Published in:Journal of molecular spectroscopy 1981, Vol.87 (2), p.416-428
Main Authors: Lafferty, Walter J., Sattler, J.P., Worchesky, T.L., Ritter, K.J.
Format: Article
Language:English
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Summary:Portions of the ν 4 and ν 9 bands of 1,1-difluoroethylene have been studied with a diode laser spectrometer. Line measurements were made by using markers produced by beating the output of the diode laser with the radiation from a CO 2 laser. With a dual trace oscilloscope presentation, frequencies of infrared lines could be rapidly determined with a precision of better than ± 6 MHz. Ground state constants were derived by combining microwave data with 10 combination differences obtained in this work. Upper state constants were obtained for both bands by combining the infrared measurements of this work with excited state microwave data and heterodyne measured submillimeter laser frequencies.
ISSN:0022-2852
1096-083X
DOI:10.1016/0022-2852(81)90413-6