The effect of orbital angular momentum and helicity in the uncertainty-type relations between focal spot size and angular spread

被引：21

作者：

Alonso, Miguel A. ^{[1
,2
]}

机构：

[1] Univ Rochester, Inst Opt, Rochester, NY 14627 USA

[2] Aalto Univ, Dept Appl Phys, FI-00076 Aalto, Finland

来源：

JOURNAL OF OPTICS | 2011年 / 13卷 / 06期

关键词：

orbital angular momentum; spin-orbit interaction; uncertainty relations; focused fields; SPATIAL-DIRECTIONAL LOCALIZATION; NONPARAXIAL FIELDS; POSITION; STATES; PHASE; BEAM;

D O I：

10.1088/2040-8978/13/6/064016

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

It is well known that, for any monochromatic field, the spatial extent of the focus has a lower bound dependent on the field's directional spread. The influences that the orbital angular momentum and, for vector fields, the (spin or intrinsic) angular momentum due to polarization have on this lower bound are studied here for fields not constrained by the paraxial approximation.

引用

页数：9

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