Journal of Quantitative Spectroscopy and Radiative Transfer, 48, nos. 5–6 (November–December 1992): 629–643

Atmospheric 60-Ghz Oxygen Spectrum: New Laboratory Measurements and Line Parameters

doi: 10.1016/0022-4073(92)90127-P

Hans J. Liebe; Philip W. Rosenkranz; George A. Hufford

Abstract: Over 5000 absolute absorption values for pressure-broadened O2 lines in dry air were measured at frequencies from 49 to 67 GHz in 0.1-GHz-increments. The controlled laboratory studies were carried out at three temperatures (6, 30, and 54°C) for 11 pressure values ranging between 1.3 and 101 kPa. The spectrometer consisted of a Fabry-Pérot resonator combined with an automatic network analyzer. The detection sensitivity was better than ± 0.02 dB/km, and measurement uncertainties were estimated to be typically better than ±0.05 dB/km for attenuation rates below 3 dB/km, or better than ±2% for higher rates. The extensive data set was compared with predictions by an established model (MPM89). Systematic discrepancies were recognized and reduced by means of a readjustment of line parameters. The new model (MPM92) is given here.

To request a reprint of this report, contact:

Lilli Segre, Publications Officer
Institute for Telecommunication Sciences
(303) 497-3572
LSegre@ntia.gov

Disclaimer: Certain commercial equipment, components, and software may be identified in this report to specify adequately the technical aspects of the reported results. In no case does such identification imply recommendation or endorsement by the National Telecommunications and Information Administration, nor does it imply that the equipment or software identified is necessarily the best available for the particular application or uses.

Back to Search Results