Abstract
The new principle of radiation-pressure trapping of neutral dielectric particles by means of alternating light beams was demonstrated in an optical levitation experiment. Stable trapping of micron-sized spheres was observed due to alternating scattering-force fields under conditions where stable cw trapping was not possible. Application of this principle to neutral-atom trapping as a means of circumvention of the optical Earnshaw theorem is suggested. A new stable cw optical trap for spheres was also discovered.
Keywords
TrappingRadiation pressureLevitationSPHERESOptical tweezersMaterials scienceAtomic physicsRadiationDielectricOptical radiationLight scatteringScatteringOptical forceEnergetic neutral atomRadiation trappingOpticsPhysicsMolecular physicsOptoelectronicsIon
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Publication Info
- Year
- 1985
- Type
- article
- Volume
- 54
- Issue
- 12
- Pages
- 1245-1248
- Citations
- 110
- Access
- Closed
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Cite This
A. Ashkin,
J. M. Dziedzic
(1985).
Observation of Radiation-Pressure Trapping of Particles by Alternating Light Beams.
Physical Review Letters
, 54
(12)
, 1245-1248.
https://doi.org/10.1103/physrevlett.54.1245
Identifiers
- DOI
- 10.1103/physrevlett.54.1245