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Abstract #2628

A High-Pass Birdcage Coil for Small Animal Imaging at 600MHz/14.1T

Arthur W. Magill1, 2, Hongxia Lei, 13, Rolf Gruetter1, 2

1Laboratory of Functional and Metabolic Imaging, Ecole Polytechnique Fdrale de Lausanne, Lausanne, Switzerland; 2Radiology, Univeristy of Lausanne, Lausanne, Switzerland; 3Radiology, University of Geneva, Geneva, Switzerland

A high-pass quadrature birdcage coil was simulated, built and tested for use at 600MHz (14.1T). The resulting coil produces a highly homogeneous B1 field over the the field-of-view, despite the short RF wavelength.

Keywords

abstract active adding adjusted allow angst animal approximately array away axial axis balance bazooka become birdcage bore bottom brightening build builder cable cables capacitor capacitors central channel channels chin chosen coated coaxial coil coils conducting construction copper coronal correspondence coupling coverage demonstrating design designed desired despite detuning developing diameter difficult dimensions double enough fast field fine fitted five fixed flexible focus foundations free frequency functional future generated good head homogeneity homogeneous horizontal in vivo initial inside introducing investigate laboratory length loaded loading located long losses magnet manufactured maps matched matching matrix measured metabolic microwave mode mouse move network operating optimal outside pass plastic preamplifier probe produce radiology reasonable receive reflection required ring rung sample scanner sections shelf shield short simulated slice slices slight slightly smaller space spin strength structure studio supported surface syringe table tape track transmit tubes tune tuned tuning type unloaded variable view water wavelength width