Anomalous diffraction theory for arbitrarily oriented hexagonal crystals

被引：13
|
作者：
Sun, WB [1 ]
Fu, Q [1 ]
机构：
[1] Dalhousie Univ, Dept Oceanog, Atmospher Sci Program, Halifax, NS B34 4J1, Canada
来源：
JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER | 1999年 / 63卷 / 2-6期
基金：
加拿大自然科学与工程研究理事会;
关键词：
D O I：
10.1016/S0022-4073(99)00046-1
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Analytical expressions for the extinction and absorption cross-sections of arbitrarily oriented hexagonal columns or plates are derived with the use of the anomalous diffraction theory. Extinction and absorption efficiencies of hexagonal ice columns as functions of particle size and orientation are demonstrated. These analytical expressions provide an efficient approximation for the scattering problem of randomly oriented hexagonal particles. (C) 1999 Elsevier Science Ltd. All rights reserved.
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页码：727 / 737
页数：11
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