Articles

Optical Coherence Tomographic Imaging of Human Tissue at 1.55 μm and 1.81 μm Using Er- and Tm-Doped Fiber Sources

[+] Author Affiliations
Brett E. Bouma, Lynn E. Nelson, Guillermo J. Tearney, David J. Jones, James G. Fujimoto

Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science and Research Laboratory of Electronics, Cambridge, Massachusetts 02139

Massachusetts General Hospital, Boston, Massachusetts 02114

J. Biomed. Opt. 3(1), 76-79 (Jan 01, 1998). doi:10.1117/1.429898
History: Received Sep. 4, 1997; Revised Oct. 1, 1997; Accepted Oct. 7, 1997
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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. © 1998 Society of Photo-Optical Instrumentation Engineers.

© 1998 Society of Photo-Optical Instrumentation Engineers

Citation

Brett E. Bouma ; Lynn E. Nelson ; Guillermo J. Tearney ; David J. Jones ; Mark E. Brezinski, et al.
"Optical Coherence Tomographic Imaging of Human Tissue at 1.55 μm and 1.81 μm Using Er- and Tm-Doped Fiber Sources", J. Biomed. Opt. 3(1), 76-79 (Jan 01, 1998). ; http://dx.doi.org/10.1117/1.429898


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