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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. 4, Iss. 5 — May. 5, 2009

Miniature swept source for point of care Optical Frequency Domain Imaging

Brian D. Goldberg, S.M. Reza Motaghian Nezam, Priyanka Jillella, Brett E. Bouma, and Guillermo J. Tearney  »View Author Affiliations


Optics Express, Vol. 17, Issue 5, pp. 3619-3629 (2009)
http://dx.doi.org/10.1364/OE.17.003619


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Abstract

Point of care (POC) medical technologies require portable, small, robust instrumentation for practical implementation. In their current embodiment, optical frequency domain imaging (OFDI) systems employ large form-factor wavelength-swept lasers, making them impractical in the POC environment. Here, we describe a first step toward a POC OFDI system by demonstrating a miniaturized swept-wavelength source. The laser is based on a tunable optical filter using a reflection grating and a miniature resonant scanning mirror. The laser achieves 75 nm of bandwidth centered at 1340 nm, a 0.24 nm instantaneous line width, a 15.3 kHz repetition rate with 12 mW peak output power, and a 30.4 kHz A-line rate when utilizing forward and backward sweeps. The entire laser system is approximately the size of a deck of cards and can operate on battery power for at least one hour.

© 2009 Optical Society of America

OCIS Codes
(140.3600) Lasers and laser optics : Lasers, tunable
(170.4500) Medical optics and biotechnology : Optical coherence tomography

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: November 20, 2008
Revised Manuscript: January 9, 2009
Manuscript Accepted: January 14, 2009
Published: February 24, 2009

Virtual Issues
Vol. 4, Iss. 5 Virtual Journal for Biomedical Optics

Citation
Brian D. Goldberg, S. M. R. Motaghian Nezam, Priyanka Jillella, Brett E. Bouma, and Guillermo J. Tearney, "Miniature swept source for point of care Optical Frequency Domain Imaging," Opt. Express 17, 3619-3629 (2009)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=oe-17-5-3619


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