LASER EXCITATION SPECTRA AND FRANK-CONDON FACTORS FOR $Bi_{2} X^{1} \Sigma^{+}_{g} \rightarrow A 0^{+}_{u}$
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Date
1999
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Ohio State University
Abstract
Laser excitation spectra of the lowest vibrational levels, $v^{\prime \prime}=2-5$ and $v^{\prime}=0-4$, for the $Bi_{2}X^{1} \Sigma^{+}_{g} \rightarrow A 0^{+}_{u}$ system have been recorded for a wide range of rotational levels, $0 < J < 211$, at Doppler-limited resolution of $0.013 cm^{-1}$. New rotational term values and spectroscopic constants are reported, improving the accuracy of predicted line positions for high rotational levels by as much as $0.8 cm^{-1}$. In addition, Frank-Condon factors are computed and compared with experimental observations from CW laser-induced fluorescence spectra.
Description
Author Institution: PHILLIPS LABORATORY, KIRTLAND AIR FORCE BASE; DEPARTMENT OF ENGINEERING PHYSICS, AIR FORCE INSTITUTE OF TECHNOLOGY