Structural length-scale sensitivities of reflectance measurements in continuous random media under the Born approximation

doi:10.1364/OL.37.005220

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

Editors: Andrew Dunn and Anthony Durkin
Vol. 8, Iss. 1 — Feb. 4, 2013

Structural length-scale sensitivities of reflectance measurements in continuous random media under the Born approximation

Andrew J. Radosevich, Ji Yi, Jeremy D. Rogers, and Vadim Backman »View Author Affiliations

Optics Letters, Vol. 37, Issue 24, pp. 5220-5222 (2012)
http://dx.doi.org/10.1364/OL.37.005220

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Abstract

Which range of structures contributes to light scattering in a continuous random media, such as biological tissue? In this Letter, we present a model to study the structural length-scale sensitivity of scattering in continuous random media under the Born approximation. The scattering coefficient $μ_{s}$ , backscattering coefficient $μ_{b}$ , anisotropy factor $g$ , and reduced scattering coefficient $μ_{s}^{*}$ as well as the shape of the spatial reflectance profile are calculated under this model. For media with a biologically relevant Henyey–Greenstein phase function with $g \sim 0.93$ at wavelength $λ = 633 nm$ , we report that $μ_{s}^{*}$ is sensitive to structural length-scales from 46.9 nm to 2.07 μm (i.e., $λ / 13$ to $3 λ$ ), $μ_{b}$ is sensitive from 26.7 to 320 nm (i.e., $λ / 24$ to $λ / 2$ ), and the spatial reflectance profile is sensitive from 30.8 nm to 2.71 μm (i.e., $λ / 21$ to $4 λ$ ).

OCIS Codes
(170.3660) Medical optics and biotechnology : Light propagation in tissues
(290.7050) Scattering : Turbid media
(290.5825) Scattering : Scattering theory

ToC Category:
Scattering

History
Original Manuscript: October 11, 2012
Manuscript Accepted: November 14, 2012
Published: December 13, 2012

Virtual Issues
Vol. 8, Iss. 1 Virtual Journal for Biomedical Optics

Citation
Andrew J. Radosevich, Ji Yi, Jeremy D. Rogers, and Vadim Backman, "Structural length-scale sensitivities of reflectance measurements in continuous random media under the Born approximation," Opt. Lett. 37, 5220-5222 (2012)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-37-24-5220

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References

P. Guttorp and T. Gneiting, “On the Whittle–Matérn correlation family,” National Research Center for Statistics and the Environment, Technical Report Series (2005).
J. D. Rogers, İ. R. Çapoğlu, and V. Backman, Opt. Lett. 34, 1891 (2009). [CrossRef]
A. Ishimaru, Wave Propagation and Scattering in Random Media (IEEE, 1997).
C. F. Bohren and D. R. Huffman, Absorption and Scattering of Light by Small Particles (Wiley, 1983).
A. J. Radosevich, J. D. Rogers, İ. R. Çapoğlu, N. N. Mutyal, P. Pradhan, and V. Backman, J. Biomed. Opt. 17, 115001 (2012). [CrossRef]

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