期刊
OPTICS LETTERS
卷 32, 期 17, 页码 2556-2558出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.32.002556
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- NCI NIH HHS [R01 CA90533] Funding Source: Medline
present a new method that can provide high resolution images of absolute optical absorption coefficient in heterogeneous turbid media. In this method, acoustic measurements in conventional photoacoustic tomography are combined with diffusing light measurements to separate the product of absorption coefficient and optical fluence or photon density. We validate this method using a series of tissuelike phantom experiments. The experimental results show that targets as small as 0.5 mm in diameter with optical absorption contrasts as low as 1.5 relative to a 50 mm diameter scattering background medium can be clearly detected. (c) 2007 Optical Society of America.
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