Abstract
The Wentzel–Kramers–Brillouin (WKB) method is applied for hexagonal ice crystal. A closed form expression of the form factor is derived for an hexagonal ice crystal. The other approximations, such as the Rayleigh–Gans–Debye approximation (RGD) and the anomalous diffraction (AD), are deducted as particular cases from our formula. Furthermore, the coefficient of extinction is also given. This study is made for two special cases of the incidence (flat incident and edge-on incidence). To illustrate our analytical results, some numerical examples are analyzed.
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Ibn Chaikh, M., Lamsoudi, R. & Belafhal, A. Light scattering by hexagonal ice crystal in the Wentzel–Kramers–Brillouin approximation. Opt Quant Electron 48, 466 (2016). https://doi.org/10.1007/s11082-016-0738-0
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DOI: https://doi.org/10.1007/s11082-016-0738-0