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Optics Letters

Optics Letters


  • Vol. 11, Iss. 5 — May. 1, 1986
  • pp: 288–290

Observation of a single-beam gradient force optical trap for dielectric particles

A. Ashkin, J. M. Dziedzic, J. E. Bjorkholm, and Steven Chu  »View Author Affiliations

Optics Letters, Vol. 11, Issue 5, pp. 288-290 (1986)

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Optical trapping of dielectric particles by a single-beam gradient force trap was demonstrated for the first reported time. This confirms the concept of negative light pressure due to the gradient force. Trapping was observed over the entire range of particle size from 10 μm to ~25 nm in water. Use of the new trap extends the size range of macroscopic particles accessible to optical trapping and manipulation well into the Rayleigh size regime. Application of this trapping principle to atom trapping is considered.

© 1986 Optical Society of America

Original Manuscript: December 23, 1985
Manuscript Accepted: March 4, 1986
Published: May 1, 1986

A. Ashkin, J. M. Dziedzic, J. E. Bjorkholm, and Steven Chu, "Observation of a single-beam gradient force optical trap for dielectric particles," Opt. Lett. 11, 288-290 (1986)

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