M D. Ketterman1, Q X. Yang2, 3, A G. Webb4, Z G. Herse2, T Neuberger5, G Carluccio6, M Lanagan1
1Materials Research Laboratory, The Pennsylvania State University, University Park, PA, United States; 2Radiology, The Pennsylvania State University College of Medicine, Hershey, PA, United States; 3Bioengineering, The Pennsylvania State University College of Medicine, Hershey, PA, United States; 4Radiology, Leiden University Medical Center, Leiden, Netherlands; 5High Field MRI Facility, The Pennsylvania State University College of Medicine, University Park, PA, United States; 6Electromagnetics Laboratory, University of Illinois, IL, United States
High permittivity pads have recently been used to increase signal to noise in 3 and 7 tesla neuroimaging. A model, using multi-regional travelling-wave analysis within the near-field, has been constructed to account for the improved impedance matching local to the pads.