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作者单位:Kaijun Zhao (1) Yiping Huo (1) Tingzhuo Liu (1) Yanni Wu (1) Ting Zhao (1) Li Liu (1) Yuan Li (1) Junchen Deng (1) Hairong Zheng (1)
1. School of Physics and Information Technology, Shaanxi Normal University, Xi’an, 710062, China
刊物类别:Chemistry and Materials Science
刊物主题:Chemistry Biotechnology Nanotechnology Biophysics and Biomedical Physics Biochemistry
出版者:Springer US
ISSN:1557-1963
文摘
The plasmon resonances and magnetic field enhancement in double split-hole disk are investigated by using finite element method. The multipolar modes and the magnetic Fano resonances of the double split-hole disk can be tuned by modifying the structure parameters. The oscillate direction of the closed current in the right and the left split hole can be tuned, achieving the bright and dark magnetic modes of this system. These new emergent phenomena in this nanostructure have potential applications in the propagation of low-loss magnetic plasmons and advanced devices based on magnetic Fano resonances. Keywords Magnetic Fano resonance Bright electric modes Dark magnetic modes Closed current