PARAMETRIC CHARACTERIZATION OF THE PHASE AT THE FAR-FIELD

被引：6
|
作者：
MARTINEZHERRERO, R
MEJIAS, PM
MARTINEZ, C
机构：
[1] Departamento de Óptica, Facultad de Ciencias Físicas, Universidad Complutense, Madrid, Spain
来源：
OPTICS LETTERS | 1995年 / 20卷 / 07期
关键词：
D O I：
10.1364/OL.20.000651
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
By use of the intensity moment formalism, a new tridimensional beam parameter is defined that is rotationally invariant and remains constant under propagation through certain classes of first-order optical systems. The special case of rotationally symmetric beams is considered in some detail. Also, for coherent beams this parameter is shown to be closely connected to the quadratic form of the phase of the directional power spectrum.
引用
收藏
页码：651 / 653
页数：3
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