ATMOSPHERIC ABSORPTION MEASUREMENTS USING A SINGLE FREQUENCY HF-DF LASER
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Date
1973
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Ohio State University
Abstract
Measurements of the transmittance of room air at ambient pressure and water vapor samples broadened with nitrogen to 1 atmosphere total pressure are presented for selected HF and DF laser lines between 2445.41 and $3898.86 cm^{-1}$. The experiments were conducted using a small grating-tunable HF-DF laser and a White-type absorption cell with path length adjustable from 61 meters to more than 1 kilometer. Comparison is made between the measured data and calculations based on line parameter $tabulations.^{1}$
Description
This work was sponsored by Advanced Research Projects Agency, and the Air Force Systems Command, Rome Air Development Center. $^{1}$ R.F. Calfee and W.S. Benedict, Carbon Dioxide Spectral Line Positions and Intensities Calculated for the 2.05 and 2.7 Micron Regions, NBS Technical Note 332 (1966).
Author Institution: ElectroScience Laboratory, The Ohio State University
Author Institution: ElectroScience Laboratory, The Ohio State University