High-Resolution Photoacoustic Study of Acetylene Between 11 500 and 11 900 cm−1 Using a Titanium:Sapphire Ring Laser

✍ Scribed by X.W. Zhan; O. Vaittinen; L. Halonen

• Publisher: Elsevier Science
• Year: 1993
• Tongue: English
• Weight: 416 KB
• Volume: 160
• Category: Article
• ISSN: 0022-2852
• DOI: 10.1006/jmsp.1993.1165

✦ Synopsis

A titanium:sapphire ring laser has been used in a high-resolution intracavity photoacoustic study of a natural sample of acetylene in the infrared region (11480-11880 \mathrm{~cm}^{-1}). The spectra show a dense structure of vibration-rotation overtone bands of (\mathrm{H}^{12} \mathrm{C}^{12} \mathrm{CH}) and (\mathrm{H}^{12} \mathrm{C}^{13} \mathrm{CH}). Altogether 35 bands have been analyzed rotationally yielding a set of upper-state rotational parameters. Some of the observed upper state perturbations have been explained successfully by Fermi, Coriolis. and rotational (l)-resonance interactions. 1993 Academic Press, Inc.