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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 46, Iss. 10 — Apr. 1, 2007
  • pp: 1787–1794

Optimization of dual-band continuum light source for ultrahigh-resolution optical coherence tomography

Hui Wang and Andrew M. Rollins  »View Author Affiliations


Applied Optics, Vol. 46, Issue 10, pp. 1787-1794 (2007)
http://dx.doi.org/10.1364/AO.46.001787


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Abstract

We demonstrate a dual-band continuum light source centered at 830 and 1300 nm for optical coherence tomography (OCT) generated by pumping a photonic crystal fiber having two closely spaced zero-dispersion wavelengths with a femtosecond laser at 1059 nm . By use of polarization control, sidelobe suppression can be improved up to approximately 7.7 dB. By employing compression of the pump pulses, the generated spectrum is smooth and near-Gaussian, resulting in a point-spread function with negligible sidelobes. We demonstrate ultrahigh-resolution OCT imaging of biological tissue in vivo and in vitro using this light source and compare it with conventional-resolution OCT imaging at 1300 nm .

© 2007 Optical Society of America

OCIS Codes
(060.7140) Fiber optics and optical communications : Ultrafast processes in fibers
(170.1650) Medical optics and biotechnology : Coherence imaging
(170.4500) Medical optics and biotechnology : Optical coherence tomography

ToC Category:
Optical Coherence Tomography

History
Original Manuscript: July 6, 2006
Manuscript Accepted: September 15, 2006
Published: March 13, 2007

Virtual Issues
Vol. 2, Iss. 5 Virtual Journal for Biomedical Optics

Citation
Hui Wang and Andrew M. Rollins, "Optimization of dual-band continuum light source for ultrahigh-resolution optical coherence tomography," Appl. Opt. 46, 1787-1794 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-10-1787

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