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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 14 — Jul. 15, 2013
  • pp: 2617–2620

Mode division multiplexing technology for single-fiber optical trapping axial-position adjustment

Zhihai Liu, Lei Wang, Peibo Liang, Yu Zhang, Jun Yang, and Libo Yuan  »View Author Affiliations

Optics Letters, Vol. 38, Issue 14, pp. 2617-2620 (2013)

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We demonstrate trapped yeast cell axial-position adjustment without moving the optical fiber in a single-fiber optical trapping system. The dynamic axial-position adjustment is realized by controlling the power ratio of the fundamental mode beam (LP01) and the low-order mode beam (LP11) generated in a normal single-core fiber. In order to separate the trapping positions produced by the two mode beams, we fabricate a special fiber tapered tip with a selective two-step method. A yeast cell of 6 μm diameter is moved along the optical axis direction for a distance of 3μm. To the best of our knowledge, this is the first demonstration of the trapping position adjustment without moving the fiber for single-fiber optical tweezers. The excitation and utilization of multimode beams in a single fiber constitutes a new development for single-fiber optical trapping and makes possible more practical applications in biomedical research fields.

© 2013 Optical Society of America

OCIS Codes
(350.4855) Other areas of optics : Optical tweezers or optical manipulation
(130.3990) Integrated optics : Micro-optical devices

ToC Category:
Optical Tweezers or Optical Manipulation

Original Manuscript: May 16, 2013
Revised Manuscript: June 20, 2013
Manuscript Accepted: June 21, 2013
Published: July 15, 2013

Virtual Issues
Vol. 8, Iss. 8 Virtual Journal for Biomedical Optics

Zhihai Liu, Lei Wang, Peibo Liang, Yu Zhang, Jun Yang, and Libo Yuan, "Mode division multiplexing technology for single-fiber optical trapping axial-position adjustment," Opt. Lett. 38, 2617-2620 (2013)

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