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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 3, Iss. 11 — Oct. 22, 2008

Dual femtosecond laser multiheterodyne optical coherence tomography

Stefan Kray, Felix Spöler, Michael Först, and Heinrich Kurz  »View Author Affiliations


Optics Letters, Vol. 33, Issue 18, pp. 2092-2094 (2008)
http://dx.doi.org/10.1364/OL.33.002092


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Abstract

A time domain optical coherence tomography (OCT) system without moving parts is described, which is based on multiheterodyning utilizing two mode-locked femtosecond lasers. By synchronizing the two lasers to slightly different repetition rates and coupling to an interferometric OCT setup, we obtain amplitude-modulated beat signals representing the structure of the specimen under investigation. Our system is suitable for biological imaging as well as technical applications. We demonstrate high axial imaging depths of 150 mm with up to 5000 axial scans per second, achieving equivalent path scanning velocities of 750 m s .

© 2008 Optical Society of America

OCIS Codes
(040.2840) Detectors : Heterodyne
(110.4500) Imaging systems : Optical coherence tomography
(140.4050) Lasers and laser optics : Mode-locked lasers
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.4500) Medical optics and biotechnology : Optical coherence tomography

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: June 18, 2008
Manuscript Accepted: July 25, 2008
Published: September 10, 2008

Virtual Issues
Vol. 3, Iss. 11 Virtual Journal for Biomedical Optics

Citation
Stefan Kray, Felix Spöler, Michael Först, and Heinrich Kurz, "Dual femtosecond laser multiheterodyne optical coherence tomography," Opt. Lett. 33, 2092-2094 (2008)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-33-18-2092

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