Spatial shift of spatially modulated light projected on turbid media.
Spatial shift of spatially modulated light projected on turbid media.
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DOI:
10.1364/josaa.25.002833
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发表时间:
2008-11
影响因子:
1.9
通讯作者:
Tromberg, Bruce J.
中科院分区:
文献类型:
--
作者:
Bassi, Andrea;Cuccia, David J.;Durkin, Anthony J.;Tromberg, Bruce J.
This work extends modulated imaging, a recently developed technique based on the projection of structured light on a turbid medium that is able to measure optical properties of the high-scattering medium and perform tomography. We observe that structured light obliquely projected on a turbid medium undergoes a spatial shift during propagation. We propose a method to measure the spatial phase shift of a sinusoidal fringe pattern projected in a turbid medium, and we present a model derived from the diffusion approximation to describe the light propagation. Experimental validation by measurements performed on liquid phantoms is presented.
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DOI:
10.1364/josaa.11.002727
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影响因子:
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