ABSORPTION AND SCATTERING OF ELECTROMAGNETIC-RADIATION BY PRISMATIC COLUMNS - ANOMALOUS DIFFRACTION APPROXIMATION

被引：28

作者：

CHYLEK, P

KLETT, JD

机构：

[1] SUNY ALBANY,ATMOSPHER SCI RES CTR,ALBANY,NY 12222

[2] PAR ASSOCIATES,LAS CRUCES,NM 88001

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 1991年 / 8卷 / 11期

关键词：

D O I：

10.1364/JOSAA.8.001713

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Using the anomalous diffraction approximation, we obtain absorption and extinction cross sections of several differently shaped prismatic columns and plates in a simple analytical form. Specifically, we consider columns with triangular, trapezoidal, parallelogram, and hexagonal bases. We estimate the anomalous diffraction approximation results to be within 25% accuracy for refractive indices with real parts up to 1.40 and within 10% accuracy for real parts up to 1.20.

引用

页码：1713 / 1720

页数：8

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