Capture and sorting of multiple cells by polarization-controlled three-beam interference
interferometric capture and sorting
three-beam laser interference
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AbstractFor 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.
CitationHou Y, Wang ZB, Hu YW, Li DY, Qiu RX (2016) 'Capture and sorting of multiple cells by polarization-controlled three-beam interference', Journal of Optics, 18 (3).
PublisherIOP PUBLISHING LTD
JournalJournal of Optics
SponsorsThis work was supported by International Science and Technology Cooperation Program of China (No. 2012DFA11070), EU FP7 (ECROBOT No. 318971; BioRA No. 612641), EU H2020 (FabSurfWAR No. 644971), Doctoral Program of Higher Education of China (No. 20112216110002), Changbai Scholar Program of Jilin Province, National Natural Science Foundation Program of China (Nos. 61176002 and 11103047), Jilin Provincial Science and Technology Program (Nos. 201215136 and 20140414009GH), and Science and Technology Program of Changchun City (No. 11KP04).
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