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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. 7 — Jul. 17, 2006

Homodyne en face optical coherence tomography

Zahid Yaqoob, Jeff Fingler, Xin Heng, and Changhuei Yang  »View Author Affiliations


Optics Letters, Vol. 31, Issue 12, pp. 1815-1817 (2006)
http://dx.doi.org/10.1364/OL.31.001815


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Abstract

We demonstrate, for what we believe to be the first time, the use of a 3 × 3 fiber-optic coupler to realize a homodyne optical coherence tomography (OCT) system for en face imaging of highly scattering tissues and turbid media. The homodyne OCT setup exploits the inherent phase shifts between different output ports of a 3 × 3 fiber-optic coupler to extract amplitude information of a sample. Our homodyne en face OCT system features a measured resolution of 14 μ m axially and 9.4 μ m laterally with a 90 dB signal-to-noise ratio at 10 μ s integration time. En face OCT imaging of a stage 52 Xenopus laevis was successfully demonstrated at a depth of 600 μ m within the sample.

© 2006 Optical Society of America

OCIS Codes
(170.0180) Medical optics and biotechnology : Microscopy
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.4500) Medical optics and biotechnology : Optical coherence tomography

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: January 10, 2006
Revised Manuscript: March 30, 2006
Manuscript Accepted: April 7, 2006

Virtual Issues
Vol. 1, Iss. 7 Virtual Journal for Biomedical Optics

Citation
Zahid Yaqoob, Jeff Fingler, Xin Heng, and Changhuei Yang, "Homodyne en face optical coherence tomography," Opt. Lett. 31, 1815-1817 (2006)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-31-12-1815


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