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Optics Letters

Optics Letters


  • Vol. 19, Iss. 23 — Dec. 1, 1994
  • pp: 1934–1936

Portable, high-bandwidth frequency-domain photon migration instrument for tissue spectroscopy

Steen J. Madsen, Eric R. Anderson, Richard C. Haskell, and Bruce J. Tromberg  »View Author Affiliations

Optics Letters, Vol. 19, Issue 23, pp. 1934-1936 (1994)

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We describe a novel frequency-domain photon migration instrument employing direct diode laser modulation and avalanche photodiode detection, which is capable of noninvasively determinating the optical properties of biological tissues in near real time. An infinite medium diffusion model was used to extract absorption and transport scattering coefficients from 300-kHz to 800-MHz photon-density wave phase data. Optical properties measured in tissue-simulating solutions at 670 nm agreed to within 10% of those expected.

© 1994 Optical Society of America

Original Manuscript: July 5, 1994
Published: December 1, 1994

Steen J. Madsen, Eric R. Anderson, Richard C. Haskell, and Bruce J. Tromberg, "Portable, high-bandwidth frequency-domain photon migration instrument for tissue spectroscopy," Opt. Lett. 19, 1934-1936 (1994)

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