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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 10, Iss. 5 — Mar. 11, 2002
  • pp: 236–245

Real-time phase-resolved optical coherence tomography and optical Doppler tomography

Zhihua Ding, Yonghua Zhao, Hongwu Ren, J.Stuart Nelson, and Zhongping Chen  »View Author Affiliations


Optics Express, Vol. 10, Issue 5, pp. 236-245 (2002)
http://dx.doi.org/10.1364/OE.10.000236


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Abstract

We have developed a novel real-time phase-resolved optical coherence tomography (OCT) and optical Doppler tomography (ODT) system using optical Hilbert transformation. By combining circularly polarized reference and linearly polarized sample signals, in-phase and quadrature interference components are produced in separate channels and treated as the real and imaginary parts of a complex signal to obtain the phase information directly. Using a resonant scanner at an axial scanning speed of 4 kHz in the reference arm of the interferometer, both structure and blood flow velocity images with 200 axial scans can be acquired at 20 frames per second with high sensitivity and large dynamic range. Real-time videos of in vivo blood flow in the chick chorioallantoic membrane using this interferometer are presented.

© 2002 Optical Society of America

OCIS Codes
(100.6950) Image processing : Tomographic image processing
(170.1650) Medical optics and biotechnology : Coherence imaging

ToC Category:
Research Papers

History
Original Manuscript: January 18, 2002
Revised Manuscript: February 26, 2002
Published: March 11, 2002

Citation
Zhihua Ding, Yonghua Zhao, Hongwu Ren, J. Nelson, and Zhongping Chen, "Real-time phase-resolved optical coherence tomography and optical Doppler tomography," Opt. Express 10, 236-245 (2002)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-10-5-236


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References

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  14. A. M. Rollins, S. Yazdanfar, J. K. Barton, J. A. Izatt, ?Real-time in vivo color Doppler optical coherence tomography,? J. Biomed. Opt. 7, 123-129 (2002). [CrossRef] [PubMed]

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