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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 11 — Jun. 1, 2006
  • pp: 1675–1677

Projecting extended optical traps with shape-phase holography

Yohai Roichman and David G. Grier  »View Author Affiliations

Optics Letters, Vol. 31, Issue 11, pp. 1675-1677 (2006)

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We describe a method for projecting single-beam optical traps whose potential energy wells are extended along one-dimensional curves. This technique exploits shape-phase holography in which computer-generated phase-only diffractive optical elements are used to implement complex and amplitude-only holograms. The resulting optical traps can have specified intensity and phase profiles along their lengths and can extend along curves in three dimensions. We demonstrate the extended traps’ operation and characterize their potential energy profiles through digital video microscopy of trapped colloidal spheres.

© 2006 Optical Society of America

OCIS Codes
(090.1760) Holography : Computer holography
(140.7010) Lasers and laser optics : Laser trapping
(350.5030) Other areas of optics : Phase

ToC Category:

Original Manuscript: February 6, 2006
Revised Manuscript: March 15, 2006
Manuscript Accepted: March 18, 2006

Virtual Issues
Vol. 1, Iss. 7 Virtual Journal for Biomedical Optics

Yohai Roichman and David G. Grier, "Projecting extended optical traps with shape-phase holography," Opt. Lett. 31, 1675-1677 (2006)

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