Capture and sorting of multiple cells by polarization-controlled three-beam interference. (2nd February 2016)

• Record Type: Journal Article
• Authors: Hou, Yu; Wang, Zuobin; Hu, Yaowei; Li, Dayou; Qiu, Renxi
• Is Part Of: Journal of optics. Volume 18:Number 3(2016:Mar.)
• Publication Date: 2016-02-02
• Subjects: polarization-controlled -- interferometric capture and sorting -- optical tweezers; Optics -- Periodicals; 535.05
• DOI: 10.1088/2040-8978/18/3/035401
• Languages: English
• ISSNs: 2040-8978

Abstract

Abstract: For the capture and sorting of multiple cells, a sensitive and highly efficient polarization-controlled three-beam interference set-up has been developed. With the theory of superposition of three beams, simulations on the influence of polarization angle upon the intensity distribution and the laser gradient force change with different polarization angles have been carried out. By controlling the polarization angle of the beams, various intensity distributions and different sizes of dots are obtained. We have experimentally observed multiple optical tweezers and the sorting of cells with different polarization angles, which are in accordance with the theoretical analysis. The experimental results have shown that the polarization angle affects the shapes and feature sizes of the interference patterns and the trapping force.