Measurements of atmospheric transmittance of CO2 laser radiation

Vladimir N. Aref'ev

doi:10.1117/12.25884

1 February 1991 Measurements of atmospheric transmittance of CO2 laser radiation

Vladimir N. Aref'ev

Proceedings Volume 1397, 8th Intl Symp on Gas Flow and Chemical Lasers; (1991) https://doi.org/10.1117/12.25884
Event: Eighth International Symposium on Gas-Flow and Chemical Lasers, 1990, Madrid, Spain

Abstract

The field measurement of transmission of 12C16O2 , 12C18O2 and 13C16O2 laser at 62 wavelenghts in the 9.2-11.2 ?m spectral range are presented. The measurements were made on a 0.2-2.0 km horizontal path using a tunable CO2 laser. The results were compared with the computed molecular absorptions. Rather a good agreement has been found. Under sufficient visibility (disregarding aerosol attenuation) atmospheric water vapour is the main extinction component within 10-13 ?m and in the range of 8-10 ?m other small constituents are importent.

Citation Download Citation

Vladimir N. Aref'ev "Measurements of atmospheric transmittance of CO2 laser radiation", Proc. SPIE 1397, 8th Intl Symp on Gas Flow and Chemical Lasers, (1 February 1991); https://doi.org/10.1117/12.25884

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