Diffraction of light beams in media with longitudinal-transverse inhomogeneity

被引：0
|
作者：
Savochkin, I. V. [1 ]
Sukhorukov, A. P. [1 ]
Sukhorukova, A. K. [2 ]
机构：
[1] Moscow MV Lomonosov State Univ, Moscow 119991, Russia
[2] Russian State Geol Prospecting Univ, Moscow 117997, Russia
来源：
PHYSICS OF WAVE PHENOMENA | 2013年 / 21卷 / 04期
关键词：
WAVE-GUIDES;
D O I：
10.3103/S1541308X13040018
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A theory has been developed to describe the propagation of planar wave beams in media with linear or nonlinear susceptibility modulated in the transverse and longitudinal directions. The diffraction in curved coupled waveguides and from wedge-shaped inhomogeneities is considered. Ray trajectories are found and the Schrodinger equation for the beam envelope is solved numerically. The spatial dynamics of energy redistribution in the beam cross section is described. Conditions for suppressing the beam spread due to the refractive index modulation are found.
引用
收藏
页码：245 / 250
页数：6
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