Trapping and revolving micron particles by transformable line traps of optical tweezers  

作　　者：Lingyao Yu Yuan Jia Xujin Hu Shaofei Wang Hongyu Chen Shuai Liu Hongchang Deng Maowen Wang Jun Yin 于凌尧;贾源;胡徐锦;王少飞;陈宏宇;刘帅;邓洪昌;汪茂稳;尹君(Guangxi Key Laboratory of Optoelectronic Information Processing,School of Optoelectronic Engineering,Guilin University of Electronic Technology,Guilin 541004,China;School of Electronic Information and Electrical Engineering,Huizhou University,Huizhou 516000,China)

机构地区：[1]Guangxi Key Laboratory of Optoelectronic Information Processing,School of Optoelectronic Engineering,Guilin University of Electronic Technology,Guilin 541004,China [2]School of Electronic Information and Electrical Engineering,Huizhou University,Huizhou 516000,China

出　　处：《Chinese Optics Letters》2022年第5期53-57,共5页中国光学快报（英文版）

基　　金：This work was supported by the National Natural Science Foundation of China(No.61965008);Guangxi Natural Science Foundation(No.AD21220086);Scientific Research Project for Guangxi University(No.2020KY05022);Guangxi Key Laboratory(Nos.YQ21109 and GD21103).

摘　　要：Optical line tweezers have been an efficient tool for the manipulation of large micron particles. In this paper, we propose to create line traps with transformable configurations by using the transverse electromagnetic mode-like laser source.We designed an optical path to simulate the generation of the astigmatic beams and line traps with a series of lenses to realize the rotational transformation with respect to the rotation angle of cylindrical lenses. It is shown that the spherical particles with diameters ranging from 5 μm to 20 μm could be trapped, aligned, and revolved in experiment. The periodical trapping forces generated by transformable line traps might open an alternative way to investigate the mechanical properties of soft particles and biological cells.

关 键 词：optical line tweezers transformable line traps optical manipulation 

分 类 号：O43[机械工程—光学工程]