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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 24 — Nov. 21, 2011
  • pp: 24320–24330

Photovoltaic versus optical tweezers

Javier Villarroel, Héctor Burgos, Ángel García-Cabañes, Mercedes Carrascosa, Alfonso Blázquez-Castro, and Fernando Agulló-López  »View Author Affiliations

Optics Express, Vol. 19, Issue 24, pp. 24320-24330 (2011)

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The operation of photovoltaic (PV) tweezers, using the evanescent light-induced PV fields to trap and pattern nano- and micro-meter particles on a LiNbO3 crystal surface, is discussed. The case of a periodic light pattern is addressed in detail, including the role of particle shape and the modulation index of the light pattern. The use of a single Gaussian light beam is also considered. Illustrative experiments for the two situations are presented. The performance of such PV tweezers in comparison to the best established case of optical tweezers, using optical forces, is considered. Differential features between the two trapping approaches are remarked.

© 2011 OSA

OCIS Codes
(160.3730) Materials : Lithium niobate
(160.5320) Materials : Photorefractive materials
(170.4520) Medical optics and biotechnology : Optical confinement and manipulation
(350.4855) Other areas of optics : Optical tweezers or optical manipulation

ToC Category:
Optical Trapping and Manipulation

Original Manuscript: August 1, 2011
Revised Manuscript: September 23, 2011
Manuscript Accepted: September 30, 2011
Published: November 14, 2011

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

Javier Villarroel, Héctor Burgos, Ángel García-Cabañes, Mercedes Carrascosa, Alfonso Blázquez-Castro, and Fernando Agulló-López, "Photovoltaic versus optical tweezers," Opt. Express 19, 24320-24330 (2011)

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