Laser Atmospheric Propagation Kinetics
Semi-annual technical rept.
AVCO EVERETT RESEARCH LAB INC EVERETT MA
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An analytical model has been developed describing the atmospheric absorption of DF laser energy and the subsequent kinetic processes of energy exchange. For eight representative strong laser transitions, the atmospheric absorbers with energy levels and absorption cross sections have been specified. The analytical kinetic model describing the kinetics of absorption by N2O, CO2, CH4, and HDO - H2O has been developed and rate constants have been selected for use in the calculation. Preliminary results of the quantitative determination of the atmospheric temperature change resulting from absorption by N2O are presented. An assessment of the sea level kinetic effects of N2O in heating the atmosphere is given using a simple square wave pulse shape. Two limiting concentrations of water have been used and the laser energy has been varied over several orders of magnitude.
- Atmospheric Physics
- Lasers and Masers