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14 June 2002 Visible light optical coherence tomography
Boris Povazay, Alexander A. Apolonski, Angelika Unterhuber, Boris Hermann, Kostadinka K. Bizheva, Harald Sattmann, Phillip St. J. Russell, Ferenc Krausz, Adolf Friedrich Fercher, Wolfgang Drexler
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Proceedings Volume 4619, Coherence Domain Optical Methods in Biomedical Science and Clinical Applications VI; (2002) https://doi.org/10.1117/12.470466
Event: International Symposium on Biomedical Optics, 2002, San Jose, CA, United States
Abstract
We demonstrate for the first time optical coherence tomography (OCT) in the visible wavelength range with unprecedented sub-micrometer axial resolution, achieved by employing a photonic crystal fiber in combination with a sub-15fs Ti:sapphire laser (FEMTOLASERS). The shaped emission spectrum produced by the photonic crystal fiber ranges from 535 nm to 700 nm (centered at ~600 nm) resulting in ~0.9 micrometers axial OCT resolution in air corresponding to ~0.6 micrometers in biological tissue. Preliminary demonstration of the sub-micrometer resolution achieved with this visible light OCT setup is demonstrated on a 2.2 micrometers thick nitrocellulose membrane. The visible wavelength range not only enables extremely high axial resolution for OCT imaging, but also offers an attractive region for spectroscopic OCT.
© (2002) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Boris Povazay, Alexander A. Apolonski, Angelika Unterhuber, Boris Hermann, Kostadinka K. Bizheva, Harald Sattmann, Phillip St. J. Russell, Ferenc Krausz, Adolf Friedrich Fercher, and Wolfgang Drexler "Visible light optical coherence tomography", Proc. SPIE 4619, Coherence Domain Optical Methods in Biomedical Science and Clinical Applications VI, (14 June 2002); https://doi.org/10.1117/12.470466
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Cited by 12 scholarly publications.
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KEYWORDS
Optical coherence tomography
Visible radiation
Light sources
Photonic crystal fibers
Sapphire lasers
Tissue optics
Image resolution
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