In this letter, the authors present a method to selectively capture and release microparticles using an imaging fiber-bundle-based optical tweezer array system. By integrating a digital micromirror device into a tweezer array system, patterns of optical traps can be generated on the distal face of a fiber bundle. A array of traps was created to capture, release, and recapture microparticles in solution. This straightforward process enables individual control of the size, shape, and position of each trap in the array.
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See EPAPS Document No. E-APPLAB-89-263643 for movies 1 and 2 illustrating microparticle release. Movie 3 illustrates microparticle release and recapture. This document can be reached through a direct link in the online article’s HTML reference section or via the EPAPS homepage (http://www.aip.org/pubservs/epaps.html).
© 2006 American Institute of Physics.
2006
American Institute of Physics
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