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 >30dB suppression of the symmetric artifact is demonstrated using a 3×3 fiber coupler swept source OCT system, providing a depth range of 6.6mm with 8dB 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 6.67kHz are presented.

© 2006 Optical Society of America

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