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Use of Gaussian beam model in predicting SAR distributions from current sheet applicators
M L Lumori1, J W Hand, M K Gopal
1Department of Radiation Oncology, University of Arizona, Tucson 85724.
Physics in Medicine and Biology
|March 1, 1990
Abstract:
The Gaussian beam model is shown to be a good predictor of SAR distributions due to current sheet applicators (CSAs). It is fast, efficient and adaptable. SAR distributions from a single applicator and from simple arrays of CSAs in homogeneous and layered lossy media are computed at 434 and 450 MHz at CPU times of less than 60 s. The good agreement between theory and experiment justifies the use of the Gaussian beam model to predict SAR distributions from CSAs.