APPROXIMATION OF THE SCALAR FOCUS WAVE MODES

被引:15
作者
HILLION, P
机构
[1] Institut Henri Poincaré, Paris
来源
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 1992年 / 9卷 / 01期
关键词
D O I
10.1364/JOSAA.9.000137
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The physical-realizability issues of scalar focus wave modes that are solutions of the homogeneous wave equation with the boundary data exp(-r2w0(-2)) given on a characteristic are addressed. The Gaussian beams are solutions of the paraxial equation with the same boundary data in a fixed plane. A comparison of these two situations suggests that the focus wave modes can be approximated by giving the exponential exp(-r2w0(-2)) on some moving plane. This suggestion is implemented.
引用
收藏
页码:137 / 141
页数:5
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