Optical orbital angular momentum from the curl of polarization

被引：279

作者：

Wang, Xi-Lin ^{[1
,2
]}

Chen, Jing ^{[1
,2
]}

Li, Yongnan ^{[1
,2
]}

Ding, Jianping ^{[3
]}

Guo, Cheng-Shan ^{[1
,2
]}

Wang, Hui-Tian ^{[1
,2
,3
]}

机构：

[1] Nankai Univ, Sch Phys, Tianjin 300071, Peoples R China

[2] Nankai Univ, Key Lab Weak Light Nonlinear Photon, Tianjin 300071, Peoples R China

[3] Nanjing Univ, Nanjing Natl Lab Microstruct, Nanjing 210093, Peoples R China

来源：

PHYSICAL REVIEW LETTERS | 2010年 / 105卷 / 25期

关键词：

VECTOR BEAMS; LIGHT; GENERATION; STATES;

D O I：

10.1103/PhysRevLett.105.253602

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We predict a new category of optical orbital angular momentum that is associated with the curl of polarization and a kind of vector field with radial-variant hybrid states of polarization that can carry such novel optical orbital angular momentum. We present a scheme for creating the desired vector fields. Optical trapping experiments validate that the vector fields, which have no additional phase vortex, exert torques to drive the orbital motion of the trapped isotropic microspheres.

引用

页数：4

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