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Journal of Biomedical Optics

Optical coherence tomographic imaging of human tissue at 1.55 um and 1.8 um using Er- and Tm-doped fiber sources
Author(s): Brett E. Bouma; Lynn E. Nelson; Guillermo J. Tearney; David J. Jones; Mark E. Brezinski; James G. Fujimoto
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Paper Abstract

We demonstrate two short-coherence-length, rare-earth-doped fiber optical sources for performing optical coherence tomography (OCT) in human tissue. The first source is a stretched-pulse, mode-locked Er-doped fiber laser with a center wavelength of 1.55 µm, a power of 100 mW, and a bandwidth of 80 nm. The second is a Tm-doped silica fiber fluorescent source emitting up to 7 mW of power at 1.81 µm with a bandwidth of 80 nm. The OCT imaging depth of penetration in in vitro human aorta is compared using these sources and conventional 1.3-µm sources.

Paper Details

Date Published: 1 January 1998
PDF: 4 pages
J. Biomed. Opt. 3(1) doi: 10.1117/1.429898
Published in: Journal of Biomedical Optics Volume 3, Issue 1
Show Author Affiliations
Brett E. Bouma, Massachusetts Institute of Technology (United States)
Lynn E. Nelson, Lucent Technologies (United States)
Guillermo J. Tearney, Massachusetts Institute of Technology (United States)
David J. Jones, Massachusetts Institute of Technology (United States)
Mark E. Brezinski, Massachusetts General Hospital (United States)
James G. Fujimoto, Massachusetts Institute of Technology (United States)


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