articleTop 10% cited
Optical vortex trapping of particles
Optics Letters · 1996 · Vol. 21(11) · pp. 827–827
K. T. Gahagan✉(Worcester Polytechnic Institute)Grover A. Swartzlander(Worcester Polytechnic Institute)
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.
Orbital Angular Momentum in OpticsMicrofluidic and Bio-sensing TechnologiesDigital Holography and MicroscopyOptical vortexOpticsTrappingOptical tweezersVortexRefractive indexBeam (structure)Light beamMaterials sciencePhysics
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References
Forces of a single-beam gradient laser trap on a dielectric sphere in the ray optics regime
Biophysical Journal · 1992 · 1,664 citations
Observation of a single-beam gradient force optical trap for dielectric particles
Optics Letters · 1986 · 6,922 citations
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