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Optics Letters

Optics Letters


  • Vol. 29, Iss. 14 — Jul. 15, 2004
  • pp: 1647–1649

Near-infrared dyes as contrast-enhancing agents for spectroscopic optical coherence tomography

Chenyang Xu, Jian Ye, Daniel L. Marks, and Stephen A. Boppart  »View Author Affiliations

Optics Letters, Vol. 29, Issue 14, pp. 1647-1649 (2004)

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Optical coherence tomography (OCT) images of biological tissues often have low contrast. Spectroscopic optical coherence tomography (SOCT) methods have been developed to enhance contrast but remain limited because most tissues are not spectrally active in the frequency bands of laser sources commonly used in OCT. Near-infrared (NIR) dyes with absorption spectra features within the OCT source spectrum can be used for enhancing contrast in this situation. We introduce and demonstrate the use of NIR dyes as contrast agents for SOCT. Contrast-enhanced images are compared with fluorescence microscopy, demonstrating a link between SOCT and fluorescence imaging.

© 2004 Optical Society of America

OCIS Codes
(110.4500) Imaging systems : Optical coherence tomography
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.6510) Medical optics and biotechnology : Spectroscopy, tissue diagnostics
(300.1030) Spectroscopy : Absorption

Chenyang Xu, Jian Ye, Daniel L. Marks, and Stephen A. Boppart, "Near-infrared dyes as contrast-enhancing agents for spectroscopic optical coherence tomography," Opt. Lett. 29, 1647-1649 (2004)

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