H2O line shift measurements in the 1.06 u region

T. M. Petrova; L. N. Sinitsa; A. M. Solodov

doi:10.1117/12.783034

22 April 2008 H₂O line shift measurements in the 1.06 μ region

T. M. Petrova, L. N. Sinitsa, A. M. Solodov

Proceedings Volume 6936, Fourteenth International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics; 693602 (2008) https://doi.org/10.1117/12.783034
Event: Fourteenth International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics, 2007, Buryatia, Russian Federation

Abstract

Measurements of the pressure shifts coefficients for H₂O absorption lines have been performed in the 9403 - 9414 cm^-1 spectral region with H₂ , O₂, Ar, Xe, Kr and air as foreign gases. The data on lines shifts coefficients have been obtained from analysis of the H₂O-H₂, H₂O-O₂, H₂O-Ar, H₂O-Xe H₂O-Kr and H₂O-Air absorption spectrum recorded at room temperature using Nd glass intracavity laser spectrometer with spectral resolution of 0.03 cm^-1 and absorption sensitivity of 10^-8 cm^-1. The pressure of H₂O was varied from 10 Torr to 20 Torr and the pressure of the buffer gases - from 0 to 1000 mbar. The values of the line shifts coefficients for 8 lines have been derived from the recorded spectra, they ranged from 0.009 cm^-1/atm to 0.069 cm^-1/atm. For each buffer gas a linear relationship of line shifts was measured.

Citation Download Citation

T. M. Petrova, L. N. Sinitsa, and A. M. Solodov "H₂O line shift measurements in the 1.06 μ region", Proc. SPIE 6936, Fourteenth International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics, 693602 (22 April 2008); https://doi.org/10.1117/12.783034

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