Proposed Molecular Transmission Band Models For LOWTRAN

Joseph H. Pierluissi; John M. Jarem; Gung-Shoong Peng

doi:10.1117/12.945019

21 January 1985 Proposed Molecular Transmission Band Models For LOWTRAN

Joseph H. Pierluissi, John M. Jarem, Gung-Shoong Peng

Proceedings Volume 0510, Infrared Technology X; (1985) https://doi.org/10.1117/12.945019
Event: 28th Annual Technical Symposium, 1984, San Diego, United States

Abstract

A discussion is presented of a proposed modification to the molecular absorption band models in the LOWTRAN code for the uniformly mixed (N2O) CH4, CO, 02, and CO2) and the trace (NO, NO2, NH3 and SO2) gases. The transmission function adopted for each model of a double exponential defined by three absorber parameters and a single spectral parameter. All the parameters were determined optimally through a numerical procedure that incorporates line-by-line and measured transmittance spectra. Vertical concentration profiles are provided for these gases which may be used together with the 33-levels standard atmospheres in the calculation of slant-path transmittances. The present single model for the uniformly mixed gases in LOWTRAN is compared with the combination of the proposed individual models.

Citation Download Citation

Joseph H. Pierluissi, John M. Jarem, and Gung-Shoong Peng "Proposed Molecular Transmission Band Models For LOWTRAN", Proc. SPIE 0510, Infrared Technology X, (21 January 1985); https://doi.org/10.1117/12.945019

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