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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 14 — Jul. 12, 2004
  • pp: 3257–3263

Ultrahigh-resolution optical coherence tomography with a diode-pumped broadband Cr3+:LiCAF laser

Philipp C. Wagenblast, Tony H. Ko, James G. Fujimoto, Franz X. Kaertner, and Uwe Morgner  »View Author Affiliations

Optics Express, Vol. 12, Issue 14, pp. 3257-3263 (2004)

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Ultrahigh resolution optical coherence tomography (OCT) is performed with a broadband, Kerr-lens mode-locked, diode-pumped Cr3+:LiCAF laser. The laser source has a bandwidth of 89 nm with an output power of 37 mW. OCT imaging is demonstrated with 4.5 µm axial resolution in air or 3.4 µm in tissue. In vivo imaging of the human retina is demonstrated. Ultrahigh resolution OCT images from the Cr3+:LiCAF laser source were compared with standard resolution images from a commercial OCT system and ultrahigh resolution OCT images from a Kerr-lens mode-locked Ti:sapphire laser light source. The Cr3+:LiCAF source is pumped only by two single-emitter laser diodes, which makes this laser a viable, low-cost alternative to mode-locked Ti:sapphire lasers that are currently used for ultrahigh resolution OCT imaging.

© 2004 Optical Society of America

OCIS Codes
(140.4050) Lasers and laser optics : Mode-locked lasers
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.4500) Medical optics and biotechnology : Optical coherence tomography
(320.7090) Ultrafast optics : Ultrafast lasers

ToC Category:
Research Papers

Original Manuscript: June 1, 2004
Revised Manuscript: July 7, 2004
Published: July 12, 2004

Philipp Wagenblast, Tony Ko, James Fujimoto, Franz Kaertner, and Uwe Morgner, "Ultrahigh-resolution optical coherence tomography with a diode-pumped broadband Cr3+:LiCAF laser," Opt. Express 12, 3257-3263 (2004)

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