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12 February 2009 Phantoms for thermoacoustic tomography with RF heating
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Abstract
Thermoacoustic contrast under RF illumination is a function of electrical conductivity and applied electric field, as well as mechanical and thermal properties. An array of phantom objects complement our RF testbed which illuminates with a controlled E field. All rely on electrical conductivity to generate TCT contrast. Inexpensive and easily fabricated resolution phantoms are highly conductive small inclusions with similar acoustic and thermal properties as background water bath. Tissue mimicking phantoms developed for microwave imaging have acoustic and dielectric properties similar to fat and muscle. Thermal properties are measured to completely quantify expected TCT contrast for experimental corroboration.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
A. Eckhart, M. Schrauth, M. Rhodes, J. Becker, and S. K. Patch "Phantoms for thermoacoustic tomography with RF heating", Proc. SPIE 7177, Photons Plus Ultrasound: Imaging and Sensing 2009, 71771T (12 February 2009); https://doi.org/10.1117/12.809121
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