Research Papers: Imaging

Effect of measurement on the ballistic–diffusive transition in turbid media

[+] Author Affiliations
Ziv Glasser, Andre Yaroshevsky, Bavat Barak, Er’el Granot, Shmuel Sternklar

Ariel University, Department of Electrical and Electronic Engineering, Kiryat Hamada 4, Ariel 40700, Israel

J. Biomed. Opt. 18(10), 106006 (Oct 08, 2013). doi:10.1117/1.JBO.18.10.106006
History: Received May 9, 2013; Revised September 3, 2013; Accepted September 5, 2013
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Abstract.  The dependence of the transition between the ballistic and the diffusive regimes of turbid media on the experimental solid angle of the detection system is analyzed theoretically and experimentally. A simple model is developed which shows the significance of experimental conditions on the location of the ballistic–diffusive transition. It is demonstrated that decreasing the solid angle expands the ballistic regime; however, this benefit is bounded by the initial Gaussian beam diffraction. In addition, choosing the appropriate wavelength according to the model’s principles provides another means of expanding the ballistic regime. Consequently, by optimizing the experimental conditions, it should be possible to extract the ballistic image of a tissue with a thickness of 1 cm.

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© 2013 Society of Photo-Optical Instrumentation Engineers

Citation

Ziv Glasser ; Andre Yaroshevsky ; Bavat Barak ; Er’el Granot and Shmuel Sternklar
"Effect of measurement on the ballistic–diffusive transition in turbid media", J. Biomed. Opt. 18(10), 106006 (Oct 08, 2013). ; http://dx.doi.org/10.1117/1.JBO.18.10.106006


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