Polarization gradient: exploring an original route for optical trapping and manipulation

被引：35

作者：

Cipparrone, Gabriella ^{[1
,2
]}

Ricardez-Vargas, Ibis ^{[3
]}

Pagliusi, Pasquale ^{[1
,2
]}

Provenzano, Clementina ^{[1
,2
]}

机构：

[1] Univ Calabria, LiCryL Lab CNR INFM, Excellence Ctr CEMIF CAL, I-87036 Arcavacata Di Rende, CS, Italy

[2] Univ Calabria, Dept Phys, I-87036 Arcavacata Di Rende, CS, Italy

[3] Univ Nacl Autonoma Mexico, Inst Fis, Dept Fis Teor, Mexico City 01000, DF, Mexico

来源：

OPTICS EXPRESS | 2010年 / 18卷 / 06期

关键词：

PARTICLES; EFFICIENCY; ALIGNMENT; TWEEZERS; BEAM;

D O I：

10.1364/OE.18.006008

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report a study of the capabilities of an optical tweezer based on polarization gradient. We use a light polarization pattern that is able to simultaneously exert forces and torques in opposite directions depending on the particle's position. It allows to perform oscillatory displacements and control the sense of rotation of several particles inside a uniformly illuminated region. Unconventional trapping of spinning particles in circularly polarized fringes has been observed, which suggests the involvement of hydrodynamic forces. (C) 2010 Optical Society of America

引用

页码：6008 / 6013

页数：6

共 20 条

[1] ACCELERATION AND TRAPPING OF PARTICLES BY RADIATION PRESSURE [J].