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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editor: Gregory W. Faris
  • Vol. 5, Iss. 1 — Jan. 4, 2010

Quantitative measurements of absorption spectra in scattering media by low-coherence spectroscopy

Nienke Bosschaart, Maurice C.G. Aalders, Dirk J. Faber, Jelmer J.A. Weda, Martin J.C. van Gemert, and Ton G. van Leeuwen  »View Author Affiliations

Optics Letters, Vol. 34, Issue 23, pp. 3746-3748 (2009)

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Low-coherence spectroscopy (LCS) is a spectroscopic method that allows for quantitative and localized assessment of absorption spectra by combining reflection spectroscopy with low-coherence interferometry. We describe absorption coefficient ( μ a ) measurements by LCS in tissue simulating phantoms with varying scattering and absorbing properties. We used LCS in the 455 680 nm wavelength range with a spectral resolution of 8 nm to obtain μ a spectra with ± 0.5 mm 1 accuracy. We conclude that LCS is a promising technique for the in vivo determination of tissue chromophore concentrations.

© 2009 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(170.6510) Medical optics and biotechnology : Spectroscopy, tissue diagnostics
(300.1030) Spectroscopy : Absorption

ToC Category:

Original Manuscript: July 27, 2009
Revised Manuscript: October 19, 2009
Manuscript Accepted: November 18, 2009
Published: November 30, 2009

Virtual Issues
Vol. 5, Iss. 1 Virtual Journal for Biomedical Optics

Nienke Bosschaart, Maurice C. Aalders, Dirk J. Faber, Jelmer J. Weda, Martin J. van Gemert, and Ton G. van Leeuwen, "Quantitative measurements of absorption spectra in scattering media by low-coherence spectroscopy," Opt. Lett. 34, 3746-3748 (2009)

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