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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 8, Iss. 2 — Mar. 4, 2013

Microring resonators with flow-through nanopores for nanoparticle counting and sizing

Yubo Li and Xudong Fan  »View Author Affiliations

Optics Express, Vol. 21, Issue 1, pp. 229-237 (2013)

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This paper proposes a high precision method for nanoparticle counting and sizing using a microring resonator-waveguide system that contains a flow-through nanopore. Theoretical analysis is carried out based on the coupled-mode theory, showing that when the nanoparticle passes the nanopore a temporal pulse signal can be detected and that the peak amplitude depends linearly on the nanoparticle volume. It is estimated that a nanoparticle of sub-10 nm in size may be detectable.

© 2013 OSA

OCIS Codes
(120.1880) Instrumentation, measurement, and metrology : Detection
(230.3990) Optical devices : Micro-optical devices
(230.5750) Optical devices : Resonators
(280.1415) Remote sensing and sensors : Biological sensing and sensors

ToC Category:

Original Manuscript: October 10, 2012
Revised Manuscript: November 30, 2012
Manuscript Accepted: December 20, 2012
Published: January 3, 2013

Virtual Issues
Vol. 8, Iss. 2 Virtual Journal for Biomedical Optics

Yubo Li and Xudong Fan, "Microring resonators with flow-through nanopores for nanoparticle counting and sizing," Opt. Express 21, 229-237 (2013)

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