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  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 20 — Oct. 15, 2007
  • pp: 2924–2926

Dispersion-based optical coherence tomography OCT measurement of mixture concentrations

Seyed Morteza Bagherzadeh, Branislav Grajciar, Christoph K. Hitzenberger, Michael Pircher, and Adolf F. Fercher  »View Author Affiliations


Optics Letters, Vol. 32, Issue 20, pp. 2924-2926 (2007)
http://dx.doi.org/10.1364/OL.32.002924


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Abstract

We present a low-coherence technique for the measurement of concentrations in aqueous solutions. It is based on a second-order dispersion measurement using the phase of the Fourier transform of the interferogram term obtained with an unbalanced Michelson interferometer. We demonstrate this approach by concentration measurements of aqueous mixtures of NaCl and glucose solutions. Results show errors between a few percent for high concentrations, up to 31% for low concentrations. The application of such a technique in OCT might require ultrahigh depth resolution and/or other scattered photon rejection techniques.

© 2007 Optical Society of America

OCIS Codes
(030.0030) Coherence and statistical optics : Coherence and statistical optics
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(170.0170) Medical optics and biotechnology : Medical optics and biotechnology
(170.1580) Medical optics and biotechnology : Chemometrics
(170.4500) Medical optics and biotechnology : Optical coherence tomography

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: July 18, 2007
Manuscript Accepted: August 15, 2007
Published: October 2, 2007

Virtual Issues
Vol. 2, Iss. 11 Virtual Journal for Biomedical Optics

Citation
Seyed Morteza Bagherzadeh, Branislav Grajciar, Christoph K. Hitzenberger, Michael Pircher, and Adolf F. Fercher, "Dispersion-based optical coherence tomography OCT measurement of mixture concentrations," Opt. Lett. 32, 2924-2926 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-20-2924


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