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Virtual Journal for Biomedical Optics


  • Editor: Gregory W. Faris
  • Vol. 1, Iss. 7 — Jul. 17, 2006

Multi-channel time-resolved system for functional near infrared spectroscopy

Davide Contini, Alessandro Torricelli, Antonio Pifferi, Lorenzo Spinelli, Floriano Paglia, and Rinaldo Cubeddu  »View Author Affiliations

Optics Express, Vol. 14, Issue 12, pp. 5418-5432 (2006)

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We have designed a compact dual wavelength multi-channel time-resolved system for functional near infrared spectroscopy. The system enables 16 sources and up to 64 collection points, with a minimum acquisition time of 5 ms per channel. Performances of the system have been tested on tissue phantoms in terms of linearity, noise, stability and reproducibility. Preliminary measurements on volunteers have been performed to validate the instrument capability to acquire in vivo maps of the hemodynamic parameters in the muscle during arterial occlusion and in the adult head during a finger tapping experiment.

© 2006 Optical Society of America

OCIS Codes
(170.1470) Medical optics and biotechnology : Blood or tissue constituent monitoring
(170.3890) Medical optics and biotechnology : Medical optics instrumentation
(170.5280) Medical optics and biotechnology : Photon migration
(170.6920) Medical optics and biotechnology : Time-resolved imaging

ToC Category:
Medical Optics and Biotechnology

Original Manuscript: February 27, 2006
Revised Manuscript: May 23, 2006
Manuscript Accepted: May 27, 2006
Published: June 12, 2006

Virtual Issues
Vol. 1, Iss. 7 Virtual Journal for Biomedical Optics

Davide Contini, Alessandro Torricelli, Antonio Pifferi, Lorenzo Spinelli, Floriano Paglia, and Rinaldo Cubeddu, "Multi-channel time-resolved system for functional near infrared spectroscopy," Opt. Express 14, 5418-5432 (2006)

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