Abstract

The diamagnetic shift in the infrared Zeeman spectra of CO₂ is measured by utilizing copropagating-wave-crossing resonances observed in fluorescence. This technique permits determination of the magnetic parameters for individual vibrational states. The diamagnetic susceptibility anisotropy and molecular g_J factor for the (001) state are obtained from the spectrum for the R(0) transition of the 10.6-μm band. The molecular quadrupole moment Q_zz (001) is estimated.

© 1980 Optical Society of America

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