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The C2Π − X2Σ+ (0, 0) Band in AlO

✍ Scribed by J.P. Towle; A.M. James; O.L. Bourne; B. Simard

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
398 KB
Volume
163
Category
Article
ISSN
0022-2852

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✦ Synopsis

In this study, a supersonic beam of (\mathrm{AlO}) was produced by chemical reaction in a laser-generated plasma, and the (C^{2} \Pi-X^{2} \Sigma^{+}(0,0)) band studied by LIF. Low-resolution spectra were recorded using a pulsed dye laser frequency-doubled to the required wavenumber range ( 33000 to 33100 (\mathrm{cm}^{-1}) ). High-resolution spectra were recorded using the output from a ring dye laser, amplified using a four-stage pulsed amplification chain, and then frequency-doubled. This arrangement gave an overall resolution of (\sim 180 \mathrm{MHz}), which makes it possible to partly resolve the hyperfine structure of the (X^{2} \Sigma^{+})state. A rotational analysis has been carried out, and accurate molecular parameters have been determined for the (C^{2} \Pi) state. 1994 Academic Press, Inc.

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