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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 1 — Jan. 1, 2012
  • pp: 91–93

Metrology of laser-guided particles in air-filled hollow-core photonic crystal fiber

O. A. Schmidt, M. K. Garbos, T. G. Euser, and P. St. J. Russell  »View Author Affiliations

Optics Letters, Vol. 37, Issue 1, pp. 91-93 (2012)

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Micrometer-sized particles are trapped in front of an air-filled hollow-core photonic crystal fiber using a novel dual-beam trap. A backward guided mode produces a divergent beam that diffracts out of the core, and simultaneously a focused laser beam launches a forward-propagating mode into the core. By changing the backward/forward power balance, a trapped particle can be selectively launched into the hollow core. Once inside, particles can be optically propelled along several meters of fiber with mobilities as high as 19 cm · s 1 W 1 (precisely measured using in-fiber Doppler velocimetry). The results are in excellent agreement with theory. The system allows determination of fiber loss as well as the mass density and refractive index of single particles.

© 2012 Optical Society of America

OCIS Codes
(350.4855) Other areas of optics : Optical tweezers or optical manipulation
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: October 21, 2011
Revised Manuscript: November 18, 2011
Manuscript Accepted: November 18, 2011
Published: December 24, 2011

Virtual Issues
Vol. 7, Iss. 3 Virtual Journal for Biomedical Optics

O. A. Schmidt, M. K. Garbos, T. G. Euser, and P. St. J. Russell, "Metrology of laser-guided particles in air-filled hollow-core photonic crystal fiber," Opt. Lett. 37, 91-93 (2012)

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