Physics – Optics
Scientific paper
Oct 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983icar...56..122f&link_type=abstract
Icarus (ISSN 0019-1035), vol. 56, Oct. 1983, p. 122-146.
Physics
Optics
17
Atmospheric Turbulence, Geometrical Optics, Gravity Waves, Light Curve, Planetary Atmospheres, Stellar Occultation, Anisotropy, Scintillation, Temperature Profiles, Wave Propagation
Scientific paper
General techniques for producing model lightcurves for a variety of realistic atmospheric irregularities, including turbulence and inertia-gravity waves, are presented and applied. The restrictions of weak scintillation theory are relaxed and model lightcurves are constructed using wave optics for atmospheres with strong, anisotropic turbulence. This is accomplished by numerical simulations which model the propagation of a wave through a phase-changing screen while maintaining complete amplitude and phase information from the wave. The results are compared with available weak scintillation theory and with recent occultation data. The effects of large scale atmospheric waves with realistic horizontal structure are examined, and the reliability of the numerical inversion method in retrieving the true atmospheric vertical structure under conditions of strong ray crossing and horizontal inhomogeneities is assessed. The nature of model lightcurve spikes generated using geometric optics and wave optics are compared.
French Richard G.
Lovelace Richard V. E.
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