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High sensitivity intracavity absorption spectroscopy of CHD3 in the near infrared with a titanium:sapphire laser

✍ Scribed by A. Charvát; A.A. Kachanov; A. Campargue; D. Permogorov; F. Stoeckel

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
562 KB
Volume
214
Category
Article
ISSN
0009-2614

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✦ Synopsis

By using a Ti: sapphire crystal as an amplifying medium the intracavity laser absorption spectroscopy technique (ICLAS) has been extended to the near-infrared range (10000-I 2000 cm-'). This range of energy is particularly interesting for the overtone spectroscopy of X-H stretching vibrations (X=C, N, 0, Si, Ge). As an illustration of the possible spectroscopic applications of this spectrometer we present here the absorption spectrum of CHDs in tbe range of the Avcn=4 overtone transitions. Due to the Fermi interaction between the v, stretching mode and the us bending mode, two bands have been observed at 11266.95 and 11062.6 cm-'. Their rotational analysis is reported and discussed.

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High-Resolution Laser Spectroscopy of the A3Π1←X1Σ+ System of IBr with a Titanium:Sapphire Ring Laser
✍ Tokio Yukiya; Nobuo Nishimiya; Masao Suzuki 📂 Article 📅 2002 🏛 Elsevier Science 🌐 English ⚖ 453 KB

The vibrotational absorption spectra of the A ← X electronic transition of I 79/81 Br were measured in the 11 330-to 13 220-cm -1 region using a Ti:sapphire ring laser. The P-, Q-, and R-branch lines of the rotational states from J = 10 to 100 belonging to the v ← v = (3∼20) ← (1∼6) bands were assig