Open AccessTrapping two types of particles by modified circular Airy beams
Author(s) -
Yunfeng Jiang,
Zhuo Cao,
Hehong Shao,
Wanting Zheng,
Bixin Zeng,
Xuequan Lu
Publication year - 2016
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.24.018072
Subject(s) - trapping , optical tweezers , refractive index , optics , optical force , particle (ecology) , airy beam , radiation pressure , physics , materials science , beam (structure) , ecology , oceanography , biology , geology
The radiation force of modified circular Airy beams (MCAB) exerted on both a high-refractive-index particle and a low-refractive-index particle are analyzed in this paper. Our results show that the two kinds of particles can be simultaneously stably trapped by MCAB at different positions. Compared with the common circular Airy beams (CAB) with the same parameters, trapping forces on the two kinds of particles are greatly increased because of the enhanced abruptly autofocusing property and the appearance of hollow region in MCAB. The trapping forces can be modulated by varying parameters of MCAB, and it is important to choose appropriate parameters to trap particles in practice.