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Orientation of biological cells using plane-polarized gaussian beam optical tweezers
- DOI:
- 10.1080/09500340308235232
pages 1581-1590
Available online: 03 Jul 2009Abstract
Optical tweezers are widely used for the manipulation of cells and their internal structures. However, the degree of manipulation possible is limited by poor control over the orientation of the trapped cells. We show that it is possible to controllably align or rotate disc-shaped cells—chloroplasts of Spinacia oleracea—in a plane-polarized Gaussian beam trap, using optical torques resulting predominantly from circular polarization induced in the transmitted beam by the non-spherical shape of the cells.
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- Citation information:
- Available online: 03 Jul 2009
Author affiliations
- a Centre for Biophotonics and Laser Science, Department of Physics, The University of Queensland, Brisbane, QLD 4072, Australia
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