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Journal of Biomedical Optics

Phase function measurements on nonspherical scatterers using a two-axis goniometer
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Paper Abstract

We present a two-axis goniometer for measuring the phase function of scattering media with an angular resolution of about 0.2 deg having 12 decades of dynamic range and covering almost the full solid angle. The setup is evaluated with polystyrene spheres and with perpendicularly and obliquely illuminated thin glass cylinders. The scattering pattern and its intensity distribution are in excellent agreement with analytical theory. A multiple scattering configuration composed of two parallel cylinders is also examined. Finally, the phase function of dentin slabs is measured and its dependence on the dental microstructure is discussed.

Paper Details

Date Published: 1 March 2006
PDF: 9 pages
J. Biomed. Opt. 11(2) 024018 doi: 10.1117/1.2187421
Published in: Journal of Biomedical Optics Volume 11, Issue 2
Show Author Affiliations
Florian K. Forster, Univ. Ulm (Germany)
Alwin Kienle, Univ. Ulm (Germany)
René Michels, Univ. Ulm (Germany)
Raimund Hibst, Univ. Ulm (Germany)

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