Characterizing optical chirality

被引：230

作者：

Bliokh, Konstantin Y. ^{[1
,2
]}

Nori, Franco ^{[2
,3
]}

机构：

[1] Natl Univ Ireland, Sch Phys, Appl Opt Grp, Galway, Ireland

[2] RIKEN, Adv Sci Inst, Wako, Saitama 3510198, Japan

[3] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA

来源：

PHYSICAL REVIEW A | 2011年 / 83卷 / 02期

基金：

爱尔兰科学基金会;

关键词：

D O I：

10.1103/PhysRevA.83.021803

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We examine the recently introduced measure of chirality of a monochromatic optical field [Y. Tang and A. E. Cohen, Phys. Rev. Lett. 104, 163901 (2010)] using the momentum (plane-wave) representation and helicity basis. Our analysis clarifies the physical meaning of the measure of chirality and unveils its close relation to the polarization helicity, spin angular momentum, energy density, and Poynting energy flow. We derive the operators of the optical chirality and of the corresponding chiral momentum, which acquire remarkably simple forms in the helicity representation.

引用

页数：3

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