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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 10, Iss. 7 — Apr. 8, 2002
  • pp: 349–353

Ultrahigh resolution optical coherence tomography using a superluminescent light source

Andrew M. Kowalevicz, Tony Ko, Ingmar Hartl, James G. Fujimoto, Markus Pollnau, and René P. Salathé  »View Author Affiliations


Optics Express, Vol. 10, Issue 7, pp. 349-353 (2002)
http://dx.doi.org/10.1364/OE.10.000349


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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.

© 2002 Optical Society of America

OCIS Codes
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.4500) Medical optics and biotechnology : Optical coherence tomography

ToC Category:
Research Papers

History
Original Manuscript: March 14, 2002
Revised Manuscript: April 4, 2002
Published: April 8, 2002

Citation
Andrew Kowalevicz, Tony Ko, Ingmar Hartl, James Fujimoto, Markus Pollnau, and Ren� Salath�, "Ultrahigh resolution optical coherence tomography using a superluminescent light source," Opt. Express 10, 349-353 (2002)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-10-7-349


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References

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