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Planar Magnetic Metamaterial Slabs for Magnetic Resonance Imaging Applications

Li Chunlai ¹ ^* Guo Jie ¹ Zhang Peng ² Yu Quanqiang ¹ Ma Weitao ¹ Miao Xigen ¹ Zhao Zhiya ¹ Luan Lin ¹ ^*

文摘	A type of planar magnetic metamaterial is proposed with a square winding microstructure as a superlens for magnetic resonance imaging (MRI) applications. A direct magnetic field mapping measurement demonstrates that the radio-frequency magnetic field passing through the superlens is increased by as high as 46.9% at the position of about 3 cm behind the superlens. The resonance frequency of the fabricated slabs is found to be in good agreement with the target frequency (63.6 MHz) for a 1.5T MRI system. MRI experiments with the magnetic superlens show that the intensity of the image and the SNR (signal-to-noise ratio) are both enhanced, implying promising MRI applications of our planar magnetic superlens.
来源	Chinese Physics Letters ,2014,31(7):077801-1-077801-4 【核心库】
DOI	10.1088/0256-307x/31/7/077801
地址	1. Kuang-Chi Institute of Advanced Technology, Shenzhen Key Laboratory of Optical and Terahertz Meta-RF, Shenzhen, 518057 2. Shenyang Aircraft Design and Research Institute, Shenyang, 110035
语种	英文
文献类型	研究性论文
ISSN	0256-307X
学科	物理学
基金	Supported by the National High-Technology Research and Development Program of China ; the Guangdong Science and Technology Plan ; the Shenzhen Innovative R&D Team Program (Peacock Plan)
文献收藏号	CSCD:5187585

参考文献共 20 共1页

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