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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 1 — Jan. 1, 2010
  • pp: 34–36

Source intensity profile in noncontact optical tomography

Ana Sarasa-Renedo, Rosy Favicchio, Udo Birk, Giannis Zacharakis, Clio Mamalaki, and Jorge Ripoll  »View Author Affiliations


Optics Letters, Vol. 35, Issue 1, pp. 34-36 (2010)
http://dx.doi.org/10.1364/OL.35.000034


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Abstract

Noncontact optical tomography in reflection mode is often the only possible configuration when imaging the expression of green fluorescent protein (GFP) or other fluorescent proteins in live animals owing to the short penetration depth of visible light. When imaging in reflection mode using noncontact approaches (i.e., without the use of fibers coupled to tissue), correctly accounting for the intensity profile of the source at the surface is a difficult task, usually needing to fit for source positions and/or approximating these to point sources. In this Letter we present a rigorous theoretical approach that directly accounts for the source’s intensity profile and verify it using in vivo data from GFP-expressing mice. We show how this approach improves image quality and resolution, while considerably simplifying the forward and inverse problems of the image reconstruction process.

© 2009 Optical Society of America

OCIS Codes
(170.6960) Medical optics and biotechnology : Tomography
(170.7050) Medical optics and biotechnology : Turbid media

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: September 8, 2009
Manuscript Accepted: November 4, 2009
Published: December 24, 2009

Virtual Issues
Vol. 5, Iss. 2 Virtual Journal for Biomedical Optics

Citation
Ana Sarasa-Renedo, Rosy Favicchio, Udo Birk, Giannis Zacharakis, Clio Mamalaki, and Jorge Ripoll, "Source intensity profile in noncontact optical tomography," Opt. Lett. 35, 34-36 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-1-34


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