On the propagation of plane multi-band spectrum electromagnetic waves in weakly nonlinear media

被引：4
|
作者：
Gurwich, I
Censor, D
机构：
[1] Department of Electrical and Computer Engineering, Ben-Gurion University of the Negev, Beer Sheva
来源：
JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS | 1996年 / 10卷 / 07期
关键词：
D O I：
10.1163/156939396X00018
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A theory is developed for the propagation of plane electromagnetic waves with a narrow-band spectrum in weakly nonlinear media. Representation of a wave as a set of harmonics with slowly spatially-varying amplitudes and spectrum parameters allows us to obtain evolutionary equations for these parameters. This yields a description of energy migration between harmonics, and also their spectrum and wave-envelopes transformation. Forming of harmonic pulses (spectra) in the near zone and the asymptotic behavior in the far zone, including conditions of pulses compression (or stretching) are investigated.
引用
收藏
页码：889 / 907
页数：19
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