Energy currents for quasi-monochromatic fields

被引：2

作者：

Mokhun, I. I. ^{[1
]}

Galushko, Yu. K. ^{[1
]}

Kharitonova, Ye. S. ^{[1
]}

Viktorovskaya, Ju. Yu ^{[1
]}

机构：

[1] Chernivtsi Univ, UA-58012 Chernovtsy 12, Ukraine

来源：

UKRAINIAN JOURNAL OF PHYSICAL OPTICS | 2012年 / 13卷 / 03期

关键词：

Poynting vector; angular momentum; quasi-monochromatic wave; Stokes parameters; Gaussian wave; ORBITAL ANGULAR-MOMENTUM; COHERENT;

D O I：

10.3116/16091833/13/3/151/2012

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Relations for the components of Poynting vector are obtained for quasi-monochromatic waves. It is shown that the behaviour of the transverse Poynting vector component is similar to that for the coherent waves. The total angular momentum of the quasi-monochromatic wave can be separated into orbital and spin parts. Using the example of a Gaussian beam, we show that the spin angular momentum is associated with coherence characteristics of the optical beam.

引用

页码：151 / 157

页数：7

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