A quantitative assessment of the depth sensitivity of an optical topography system using a solid dynamic tissue-phantom.


A solid dynamic phantom with tissue-like optical properties is presented, which contains seven discrete targets impregnated with thermochromic pigment located at different depths from the surface. Changes in absorption are obtained in response to localized heating of the targets, simulating haemodynamic changes occurring in the brain and other tissues. The… (More)
DOI: 10.1088/0031-9155/54/20/016


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