Accession Number:

AD0709894

Title:

INVESTIGATION OF THE ABSORPTION OF INFRARED RADIATION BY ATMOSPHERIC GASES

Descriptive Note:

Semi-annual technical rept. no. 1,

Corporate Author:

PHILCO-FORD CORP NEWPORT BEACH CA AERONUTRONIC DIV

Report Date:

1970-06-01

Pagination or Media Count:

51.0

Abstract:

From spectral transmittance curves of very large samples of CO2 we have determined coefficients for intrinsic absorption and pressure-induced absorption from approximately 1130cm to 1835cm. Most of the pressure-induced absorption arises from the forbidden v1 and 2v2 bands of the O16C12O18 molecule. Curves of the absorption coefficients for samples of CO2 pressurized to approximately 10 atm, or more, with He are presented throughout most of the region from 1885cm to 2132cm. These curves and a table of the integrated absorption coefficient are adequate to determine the strengths of most of the bands of significance in this region. Spectral transmittance curves of CO2 absorption between approximately 2065cm and 2100cm are presented for a variety of samples. Curves of the pressure-induced absorption by N2 are presented for the 2400-2650cm region.

Subject Categories:

  • Atmospheric Physics
  • Atomic and Molecular Physics and Spectroscopy

Distribution Statement:

APPROVED FOR PUBLIC RELEASE