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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 11, Iss. 26 — Dec. 29, 2003
  • pp: 3598–3604

High-speed spectral-domain optical coherence tomography at 1.3 µm wavelength

S. H. Yun, G. J. Tearney, B. E. Bouma, B. H. Park, and J. F. de Boer  »View Author Affiliations

Optics Express, Vol. 11, Issue 26, pp. 3598-3604 (2003)

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We demonstrate a high-speed spectral domain optical coherence tomography (SD-OCT) system capable of acquiring individual axial scans in 24.4 µs at a rate of 19,000 axial scans per second, using an InGaAs line scan camera and broadband light source centered at 1.31 µm. Sensitivity of >105 dB over a 2-mm depth range was obtained with a free-space axial resolution of 12–14 µm, in agreement with our signal-to-noise ratio predictions. Images of human tissue obtained in vivo with SD-OCT show similar penetration depths to those obtained with state-of-the-art time domain OCT despite the ten-fold higher image acquisition speed. These results demonstrate the potential of 1.3 µm SD-OCT for high-speed and high-sensitivity imaging in patients.

© 2003 Optical Society of America

OCIS Codes
(110.4500) Imaging systems : Optical coherence tomography
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.4500) Medical optics and biotechnology : Optical coherence tomography

ToC Category:
Research Papers

Original Manuscript: November 25, 2003
Revised Manuscript: December 10, 2003
Published: December 29, 2003

S. Yun, G. Tearney, B. Bouma, B. Park, and Johannes de Boer, "High-speed spectral-domain optical coherence tomography at 1.3 μm wavelength," Opt. Express 11, 3598-3604 (2003)

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