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Optics Letters

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  • Vol. 19, Iss. 10 — May. 15, 1994
  • pp: 740–742

Transmitted photon intensity through biological tissues within various time windows

Feng Liu, K. M. Yoo, and R. R. Alfano  »View Author Affiliations


Optics Letters, Vol. 19, Issue 10, pp. 740-742 (1994)
http://dx.doi.org/10.1364/OL.19.000740


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Abstract

The intensity of the early-arriving snake portion of 100-fs ultrashort laser pulses transmitted through biological tissue of increasing thickness was measured by a streak camera. The snake photon intensity within the first arrival time interval. Δt was found to decrease exponentially with tissue thickness (z) as It) = I0A exp[−bt)z/lt], where I0 is the incident laser pulse intensity, lt is the transport mean free path of the medium, and the parameters b and A depend on the time interval Δt. This result shows that the intensity of snake photons decays significantly more slowly than that of ballistic photons as tissue thickness increases.

© 1994 Optical Society of America

History
Original Manuscript: November 11, 1993
Published: May 15, 1994

Citation
Feng Liu, K. M. Yoo, and R. R. Alfano, "Transmitted photon intensity through biological tissues within various time windows," Opt. Lett. 19, 740-742 (1994)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-19-10-740


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References

  1. L. M. Wang, P. P. Ho, C. Liu, G. Zhang, R. R. Alfano, Science 253, 769 (1991). [CrossRef] [PubMed]
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