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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 6 — Mar. 15, 2010
  • pp: 5574–5579

Using a slightly tapered optical fiber to attract and transport microparticles

Fang-Wen Sheu, Hong-Yu Wu, and Sy-Hann Chen  »View Author Affiliations

Optics Express, Vol. 18, Issue 6, pp. 5574-5579 (2010)

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We exploit a fiber puller to transform a telecom single-mode optical fiber with a 125 µm diameter into a symmetric and unbroken slightly tapered optical fiber with a 50 µm diameter at the minimum waist. When the laser light is launched into the optical fiber, we can observe that, due to the evanescent wave of the slightly tapered fiber, the nearby polystyrene microparticles with 10 µm diameters will be attracted onto the fiber surface and roll separately in the direction of light propagation. We have also simulated and compared the optical propulsion effects on the microparticles when the laser light is launched into a slightly tapered fiber and a heavily tapered (subwavelength) fiber, respectively.

© 2010 OSA

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(350.4855) Other areas of optics : Optical tweezers or optical manipulation

ToC Category:
Optical Trapping and Manipulation

Original Manuscript: January 15, 2010
Revised Manuscript: February 28, 2010
Manuscript Accepted: February 28, 2010
Published: March 3, 2010

Virtual Issues
Vol. 5, Iss. 7 Virtual Journal for Biomedical Optics

Fang-Wen Sheu, Hong-Yu Wu, and Sy-Hann Chen, "Using a slightly tapered optical fiber to attract and transport microparticles," Opt. Express 18, 5574-5579 (2010)

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