Traveling-Wave MRI at Lower B0 Field Strengths Using Metamaterial Liners

Keywords

accommodate accuracy amount analytically antenna antennas applied approaches become body bore boundary capable circuits circular circularly components concept conditions conductor consider consists cross cutoff cylindrical decrease depicted dept described designing diameter dramatically electric electrical electromagnetic elliptical employ empty enables enabling engineered engineering enough environment excitation excited expected exploit extended extreme field fields frequencies frequency full furthermore human implementation inexpensive infinitely interior intriguing introduced length like limited linearly liner liners long loss magnitudes maintained materials mechanisms megahertz microwave mode model native nature nears negative normalized occupy occupying oncology output paradigm partially particular perfect permeability phenomena polarizations polarized possessing potential propagate propagating propagation properties proposed quality reduce relatively report representing require running scale scanner scanners several simply simulation slight slightly sought space spatial spectrum straightforwardly strengths subject substantial substantially system tangents tends theory thereby thin topologies trans transmission transverse traveling treats typical ultra uniform uniformity useful validation valuable various versus wave yields zero