Calculation of the bulk electromagnetic properties of thunderclouds using a two-space scattering formalism
| Autor: | Dieudonne D. Phanord, Richard J. Solakiewicz, Richard J. Blakeslee, William J. Koshak |
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| Rok vydání: | 1999 |
| Předmět: |
Physics
Quantum optics Physics and Astronomy (miscellaneous) Scattering Computation General Engineering General Physics and Astronomy WKB approximation Scattering amplitude Formalism (philosophy of mathematics) Incident wave Quantum electrodynamics Excited state Physics::Atmospheric and Oceanic Physics |
| Zdroj: | Applied Physics B: Lasers and Optics. 68:731-734 |
| ISSN: | 1432-0649 0946-2171 |
| DOI: | 10.1007/s003400050695 |
| Popis: | A two-space scatterer formalism and equivalent medium approach of Twersky are used to obtain formulae for the bulk electromagnetic parameters of a thundercloud medium that is illuminated by lightning optical emissions. A modified WKB approximation is applied to derive the two-space scattering amplitude. Optical constants of dry air, moist atmosphere, and water,.are inserted into the formulae to generate numerical values via iteration. The two-space scatterer formalism results are close to those obtained from free- or sin-le-space formalisms for the dilute case. The numerical values of the bulk parameters are required to successfully transform the scattering problem to that of an equivalent obstacle excited by an incident wave traveling in K - space but radiating in k(sub 1) -space. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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