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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 16 — Aug. 15, 2006
  • pp: 2426–2428

Real-time quadrature projection complex conjugate resolved Fourier domain optical coherence tomography

Marinko V. Sarunic, Brian E. Applegate, and Joseph A. Izatt  »View Author Affiliations


Optics Letters, Vol. 31, Issue 16, pp. 2426-2428 (2006)
http://dx.doi.org/10.1364/OL.31.002426


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Abstract

We present a novel algorithm for full-range imaging by suppression of the complex conjugate artifact in phase-shifting Fourier domain optical coherence tomography. This technique utilizes the projection of multiple phase-shifted interferograms onto an orthogonal basis set to reconstruct the complex interferogram. Full-range imaging with > 30 dB suppression of the symmetric artifact is demonstrated using a 3 × 3 fiber coupler swept source OCT system, providing a depth range of 6.6 mm with 8 dB roll-off in sensitivity at the depth boundaries relative to DC. Real-time display of full-range images of the anterior segment of the human eye acquired in vivo at a line rate of 6.67 kHz are presented.

© 2006 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:
Imaging Systems

History
Original Manuscript: February 16, 2006
Revised Manuscript: April 30, 2006
Manuscript Accepted: May 9, 2006
Published: July 25, 2006

Virtual Issues
Vol. 1, Iss. 9 Virtual Journal for Biomedical Optics

Citation
Marinko V. Sarunic, Brian E. Applegate, and Joseph A. Izatt, "Real-time quadrature projection complex conjugate resolved Fourier domain optical coherence tomography," Opt. Lett. 31, 2426-2428 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-16-2426


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