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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. 2, Iss. 11 — Nov. 26, 2007

Portable, large-bandwidth time-resolved system for diffuse optical spectroscopy

Andrea Bassi, Andrea Farina, Cosimo D’Andrea, Antonio Pifferi, Gianluca Valentini, and Rinaldo Cubeddu  »View Author Affiliations


Optics Express, Vol. 15, Issue 22, pp. 14482-14487 (2007)
http://dx.doi.org/10.1364/OE.15.014482


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Abstract

We report the development of a compact time-resolved system for the measurement of the optical properties of highly scattering media over a bandwidth of 600–1000 nm. The instrument is based on a fiber laser generating supercontinuum radiation, that is spectrally dispersed and sequentially used to illuminate the sample. A single photon avalanche photo-diode in combination with time correlated single-photon counting is used to recover the time-dispersion curve at each wavelength, both fitted by the diffusion equation. Transmittance measurements performed on calibrated epoxy phantoms and in-vivo on female breast are presented, showing good agreement with previous reports.

© 2007 Optical Society of America

OCIS Codes
(170.6510) Medical optics and biotechnology : Spectroscopy, tissue diagnostics
(300.6500) Spectroscopy : Spectroscopy, time-resolved

ToC Category:
Spectroscopy

History
Original Manuscript: July 13, 2007
Revised Manuscript: September 6, 2007
Manuscript Accepted: September 12, 2007
Published: October 19, 2007

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

Citation
Andrea Bassi, Andrea Farina, Cosimo D'Andrea, Antonio Pifferi, Gianluca Valentini, and Rinaldo Cubeddu, "Portable, large-bandwidth time-resolved system for diffuse optical spectroscopy," Opt. Express 15, 14482-14487 (2007)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=oe-15-22-14482


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References

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