2015 Radio and Antenna Days of the Indian Ocean (RADIO) 2015
DOI: 10.1109/radio.2015.7323400
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Capacitively-loaded metasurfaces and their application in magnetic resonance imaging

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Cited by 11 publications
(8 citation statements)
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“…To do so, the wires used need to be either of a resonant length 10 or miniaturized by high-permittivity loading, 11 or by capacitive interconnections. 12 These studies demonstrate the possibility of using such metasurface structures to achieve a dual-frequency coil for proton and fluorine imaging, 13 and a coil for whole-body imaging with higher SNR than a volume coil. 14 It has been shown that the optimal impedance matching of such metasurface-based coils is obtained with a nonresonant feed loop when one of the metasurface resonances coincides with the targeted Larmor frequency.…”
Section: Introductionmentioning
confidence: 80%
“…To do so, the wires used need to be either of a resonant length 10 or miniaturized by high-permittivity loading, 11 or by capacitive interconnections. 12 These studies demonstrate the possibility of using such metasurface structures to achieve a dual-frequency coil for proton and fluorine imaging, 13 and a coil for whole-body imaging with higher SNR than a volume coil. 14 It has been shown that the optimal impedance matching of such metasurface-based coils is obtained with a nonresonant feed loop when one of the metasurface resonances coincides with the targeted Larmor frequency.…”
Section: Introductionmentioning
confidence: 80%
“…1(d), the top and the bottom ones, were both placed on coaxial cylindrical surfaces with a constant angular periodicity α = 10 • to repeat the shape of a human arm. To make the structure resonant at 81 and 200.1 MHz the tips of all wires on one side of the structure were connected by structural capacities [21]. On the other side of the structure the wires were connected by sliding short-circuiting contacts as shown in Fig.…”
Section: Rf-coil Design and Characterizationmentioning
confidence: 99%
“…This effect locally increased the transmit efficiency and signal-to-noise ratio (SNR) of the BC. The water-filled wire MS was followed by several modifications proposed for the same type of resonant focusing operation, [25][26][27][28][29][30][31][32] and some alternative MS-based coupled resonators were proposed (eg, Refs. 33,34).…”
Section: Introductionmentioning
confidence: 99%