Abstract #4584

Denoising Effect of Double-Loop Spiral Coil with ultra-High Dielectric Constant Materials for MRI Applications

Parisa Lotfi poshtgol¹, Navid P. Gandji¹, Michael Lanagan², Soo-Han Soon³, Wei Chen³, and Qing X Yang¹

¹Center for NMR Research, Departments of Neurosurgery and Radiology, College of Medicine, Pennsylvania State University, Hershey, PA, United States, ²Engineering Science and Mechanics, Pennsylvania State University, state college, PA, United States, ³Center for Magnetic Resonance Research, Department of Radiology, University of Minnesota, Minneapolis, MN, United States

Synopsis

Keywords: Non-Array RF Coils, Antennas & Waveguides, High-Field MRI, High dielectric materialWe investigated the denoising effect of employing double-loop spiral coil (DLSC) versus the conventional single loop surface coil in the presence of ultrahigh dielectric constant materials (uHDCM). The DLSC confines the conservative E-field distribution between the loops which as a result reduces the E-field in the sample, therefore reduces the noise level. Reduction of conservative E-Field makes the non-conservative E-field more dominant in the sample, which synergistically with the noise reduction allows increasing transmit efficiency and receive sensitivity for MRI application.

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