Ultrahigh resolution optical coherence tomography using a superluminescent light source

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Kowalevicz, Andrew M. and Ko, Tony and Hartl, Ingmar and Fujimoto, James G. and Pollnau, Markus and Salathé, René P. (2002) Ultrahigh resolution optical coherence tomography using a superluminescent light source. Optics Express, 10 (7). pp. 349-353. ISSN 1094-4087

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Abstract:A superluminescent Ti:Al2O3 crystal is demonstrated as a light source for ultrahigh resolution optical coherence tomography (OCT). Single spatial mode, fiber coupled output powers of ~40 μW can be generated with 138 nm bandwidth using a 5 W frequency doubled, diode pumped laser, pumping a thin Ti:Al2O3 crystal. Ultrahigh resolution OCT imaging is demonstrated with 2.2 μm axial resolution in air, or 1.7 μm in tissue, with >86 dB sensitivity. This light source provides a simple and robust alternative to femtosecond lasers for ultrahigh resolution OCT imaging.
Item Type:Article
Copyright:© 2002 Optical Society of America
Link to this item:http://purl.utwente.nl/publications/70085
Official URL:http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-10-7-349
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