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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 1, Iss. 11 — Nov. 13, 2006

Rejection of two-photon fluorescence background in thick tissue by differential aberration imaging

Aymeric Leray and Jerome Mertz  »View Author Affiliations


Optics Express, Vol. 14, Issue 22, pp. 10565-10573 (2006)
http://dx.doi.org/10.1364/OE.14.010565


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Abstract

We present a simple and robust way to reject out-of-focus background when performing deep two-photon excited fluorescence (TPEF) imaging in thick tissue. The technique is based on the use of a deformable mirror (DM) to introduce illumination aberrations that preferentially degrade TPEF signal while leaving TPEF background relatively unchanged. A subtraction of aberrated from unaberrated images leads to background rejection. We present a heuristic description of our technique, which we corroborate with experiment. An added benefit of our technique is that it leads to somewhat improved image resolution.

© 2006 Optical Society of America

OCIS Codes
(170.6900) Medical optics and biotechnology : Three-dimensional microscopy
(190.4180) Nonlinear optics : Multiphoton processes
(230.6120) Optical devices : Spatial light modulators

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: August 29, 2006
Revised Manuscript: October 17, 2006
Manuscript Accepted: October 20, 2006
Published: October 30, 2006

Virtual Issues
Vol. 1, Iss. 11 Virtual Journal for Biomedical Optics

Citation
Aymeric Leray and Jerome Mertz, "Rejection of two-photon fluorescence background in thick tissue by differential aberration imaging," Opt. Express 14, 10565-10573 (2006)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=oe-14-22-10565


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