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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 7, Iss. 1 — Jan. 4, 2012

Optical manipulation of microparticles using whispering-gallery modes in a silicon nitride microdisk resonator

Hong Cai and Andrew W. Poon  »View Author Affiliations


Optics Letters, Vol. 36, Issue 21, pp. 4257-4259 (2011)
http://dx.doi.org/10.1364/OL.36.004257


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Abstract

We demonstrate optical manipulation of 1 μm sized polystyrene microparticles on silicon nitride microdisk resonator devices using whispering-gallery modes in an integrated optofluidic chip. We demonstrate multiple trapping tracks and extended trapping ranges within single wavelengths through exciting high-order modes. We observe various sets of trapping tracks and ranges through exciting various resonance modes. We switch particle traveling tracks by tuning the laser wavelength to various wavelengths. We also observe microparticles assembling along the trapping tracks.

© 2011 Optical Society of America

OCIS Codes
(170.4520) Medical optics and biotechnology : Optical confinement and manipulation
(230.3120) Optical devices : Integrated optics devices
(230.5750) Optical devices : Resonators

ToC Category:
Optical Devices

History
Original Manuscript: August 18, 2011
Revised Manuscript: September 22, 2011
Manuscript Accepted: October 3, 2011
Published: October 28, 2011

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

Citation
Hong Cai and Andrew W. Poon, "Optical manipulation of microparticles using whispering-gallery modes in a silicon nitride microdisk resonator," Opt. Lett. 36, 4257-4259 (2011)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-36-21-4257

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