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Proceedings Paper

Infrared radio-frequency double resonance and Zeeman spectroscopy of thioformaldehyde
Author(s): Abdalla M. Darwish; Jerald A. R. Izatt; Jan C. Petersen
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Paper Abstract

Two new double resonance signals were observed in H2CS using the 10R4 CO2 laser line. Both radio-frequency transitions have been assigned. Their behavior in a magnetic field up to 10.5 kG has been studied. One signal was pumped by the 9P20 laser line and the other two by the 10R4 laser line. A 10R4 signal observed at 15.8 MHz was assigned to the 113.8 yields 113.9 transition in the v6 ground state of H2CS. The other 10R4 signal, which was observed at 202.8 MHz, was assigned to the 112.9 yields 112.10 transition in the excited state. This transition is the first to be reported in an excited vibrational state of the electronic ground state. The frequency of this transition was found to be strongly influenced by Coriolis coupling between the v4 and v6 states.

Paper Details

Date Published: 25 October 1999
PDF: 10 pages
Proc. SPIE 3758, Application of Tunable Diode and Other Infrared Sources for Atmospheric Studies and Industrial Processing Monitoring II, (25 October 1999); doi: 10.1117/12.366457
Show Author Affiliations
Abdalla M. Darwish, Dillard Univ. (United States)
Jerald A. R. Izatt, Univ. of Alabama/Tuscaloosa (United States)
Jan C. Petersen, Danish Institute of Fundamental Metrology (Denmark)


Published in SPIE Proceedings Vol. 3758:
Application of Tunable Diode and Other Infrared Sources for Atmospheric Studies and Industrial Processing Monitoring II
Alan Fried, Editor(s)

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