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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. 2, Iss. 11 — Nov. 26, 2007

High-speed complex conjugate resolved retinal spectral domain optical coherence tomography using sinusoidal phase modulation

Yuankai K. Tao, Mingtao Zhao, and Joseph A. Izatt  »View Author Affiliations


Optics Letters, Vol. 32, Issue 20, pp. 2918-2920 (2007)
http://dx.doi.org/10.1364/OL.32.002918


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Abstract

We demonstrate high-speed complex conjugate artifact (CCA) resolved imaging of human retina in vivo using spectral domain optical coherence tomography. This technique utilizes sinusoidal reference mirror modulation to implement high-speed integrating buckets acquisition and a quadrature projection reconstruction algorithm in postprocessing. This method is illustrated experimentally using sets of four integrating bucket phase scans, acquired at 52 kHz , for DC suppression of 73 dB and complex conjugate suppression of 35 dB . Densely sampled (3000 A-scans/image, acquired at 4.3   images s ) full-depth in vivo images of optic nerve head show CCA suppression for most image reflections to the noise floor.

© 2007 Optical Society of America

OCIS Codes
(110.4500) Imaging systems : Optical coherence tomography
(120.3890) Instrumentation, measurement, and metrology : Medical optics instrumentation
(120.5050) Instrumentation, measurement, and metrology : Phase measurement

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: August 15, 2007
Revised Manuscript: August 24, 2007
Manuscript Accepted: August 28, 2007
Published: October 2, 2007

Virtual Issues
Vol. 2, Iss. 11 Virtual Journal for Biomedical Optics

Citation
Yuankai K. Tao, Mingtao Zhao, and Joseph A. Izatt, "High-speed complex conjugate resolved retinal spectral domain optical coherence tomography using sinusoidal phase modulation," Opt. Lett. 32, 2918-2920 (2007)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-32-20-2918

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