Accession Number : ADA118062

Title :   Atmospheric Absorption Cell Characterization.

Descriptive Note : Master's thesis,

Corporate Author : AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH SCHOOL OF ENGINEERING

Personal Author(s) : Pequignot,Nicholas A

PDF Url : ADA118062

Report Date : Jun 1982

Pagination or Media Count : 93

Abstract : The measurement capability of the Avionics Laboratory IR Facility was used to evaluate an absorption cell that will be used to simulate atmospheric absorption over horizontal paths of 1 - 10 km in length. Band models were used to characterize the transmittance of carbon dioxide (CO2), nitrogen (N2), and nitrous oxide (N2O) in the cell. The measured transmittance was compared to the calculated values. Nitrous oxide is important in the 4 - 4.5 micron range in shaping the weak line absorption of carbon dioxide. The absorption cell is adequate for simulating atmospheric absorption over these paths. (Author)

Descriptors :   *Atmospheric chemistry, *Absorption, *Radiation attenuation, *Infrared radiation, *Atmosphere models, Absorption spectra, Band spectra, Transmittance, Carbon dioxide, Nitrogen, Nitrous oxide, Cells, Simulation, Line spectra, Infrared signatures, Partial pressure, Measurement, Spectrometers, Mathematical models, Theses

Subject Categories : Atmospheric Physics
      Infrared Detection and Detectors
      Optics

Distribution Statement : APPROVED FOR PUBLIC RELEASE