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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 12 — Jun. 15, 2009
  • pp: 1831–1833

Far-field superresolution imaging with dual-dye-doped nanoparticles

Jianfang Chen and Ya Cheng  »View Author Affiliations

Optics Letters, Vol. 34, Issue 12, pp. 1831-1833 (2009)

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We propose to achieve superresolution in far-field fluorescence imaging by use of silica nanoparticles codoped with Cy3 and Cy5 molecules at a controllable ratio. Owing to the short distances between the dye molecules confined in the nanoparticles, Förster resonant energy transfer can efficiently occur between the Cy3 and Cy5 molecules. Therefore, the Cy5 molecules can quench the fluorescence emission from the Cy3 molecules in the outer region of focal spot of the excitation beam when the excitation intensity is properly chosen, thereby enhancing the resolution of imaging.

© 2009 Optical Society of America

OCIS Codes
(100.6640) Image processing : Superresolution
(100.6890) Image processing : Three-dimensional image processing
(180.0180) Microscopy : Microscopy

ToC Category:

Original Manuscript: January 22, 2009
Revised Manuscript: May 12, 2009
Manuscript Accepted: May 12, 2009
Published: June 9, 2009

Virtual Issues
Vol. 4, Iss. 8 Virtual Journal for Biomedical Optics

Jianfang Chen and Ya Cheng, "Far-field superresolution imaging with dual-dye-doped nanoparticles," Opt. Lett. 34, 1831-1833 (2009)

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