alexa Optical vortex trapping of particles.
Biomedical Sciences

Biomedical Sciences

Journal of Bioengineering & Biomedical Science

Author(s): Gahagan KT, Swartzlander GA Jr

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Abstract We demonstrate three-dimensional trapping of low-index particles (20-microm-diameter hollow glass spheres in water) by using a single, strongly focused, stationary dark optical vortex laser beam. The holographically generated vortex, which is similar to a TEM(01)* mode beam, was also used to trap and form ring patterns of high-index particles.
This article was published in Opt Lett and referenced in Journal of Bioengineering & Biomedical Science

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