Measurements of the temperature dependence of H2 and air broadened half-width and shift of H2O spectral line in v1 + 3v3 band

Vladimir V. Lazarev; Yurii N. Ponomarev

doi:10.1117/12.166227

26 January 1994 Measurements of the temperature dependence of H2 and air broadened half-width and shift of H₂O spectral line in v₁ + 3_v3 band

Vladimir V. Lazarev, Yurii N. Ponomarev

Author Affiliations +

Proceedings Volume 2205, 11th Symposium and School on High-Resolution Molecular Spectroscopy; (1994) https://doi.org/10.1117/12.166227
Event: High Resolution Molecular Spectroscopy: 11th Symposium and School, 1993, Moscow, Russian Federation

Abstract

The measurements of half-width and shift of H₂O absorption lines due to foreign gas pressure are interesting for studying the intermolecular interactions in gases as well as for application of spectroscopic data in atmospheric optics. The half-width and shift of H₂O isolated absorption line of (nu) ₁ + 3(nu) ₃ vibration-rotation band were measured in the H₂O-air and H₂O-H₂ mixtures at varying the temperature of gases from 290 to 400 K. The measurements have been carried out using the dual-channel photo-acoustic spectrometer with a frequency tunable ruby laser, providing the spectral resolution of 0.01 cm^-1.

Citation Download Citation

Vladimir V. Lazarev and Yurii N. Ponomarev "Measurements of the temperature dependence of H2 and air broadened half-width and shift of H₂O spectral line in v₁ + 3_v3 band", Proc. SPIE 2205, 11th Symposium and School on High-Resolution Molecular Spectroscopy, (26 January 1994); https://doi.org/10.1117/12.166227

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