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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editor: Gregory W. Faris
  • Vol. 5, Iss. 5 — Mar. 17, 2010

Surface-plasmon-coupled emission microscopy with a spiral phase plate

Wai Teng Tang, Euiheon Chung, Yang-Hyo Kim, Peter T.C. So, and Colin J.R. Sheppard  »View Author Affiliations

Optics Letters, Vol. 35, Issue 4, pp. 517-519 (2010)

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The surface plasmon-coupled emission microscope provides high sensitivity for surface imaging. However, it suffers from a distorted donut-shape point-spread function (PSF). Here we report an effective yet simple method to correct for the distortion by introducing a spiral phase plate. This modification converts the donut PSF into one that is single lobed, which is preferable for imaging. The optical performance of the system is characterized and compared with previous publications. This technique provides more than twofold lateral resolution enhancement.

© 2010 Optical Society of America

OCIS Codes
(180.0180) Microscopy : Microscopy
(180.2520) Microscopy : Fluorescence microscopy
(240.6680) Optics at surfaces : Surface plasmons

ToC Category:
Optics at Surfaces

Original Manuscript: October 27, 2009
Manuscript Accepted: December 7, 2009
Published: February 9, 2010

Virtual Issues
Vol. 5, Iss. 5 Virtual Journal for Biomedical Optics

Wai Teng Tang, Euiheon Chung, Yang-Hyo Kim, Peter T. So, and Colin J. Sheppard, "Surface-plasmon-coupled emission microscopy with a spiral phase plate," Opt. Lett. 35, 517-519 (2010)

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