Resonance properties of surface plasma of sub-wavelength periodic perforated anisotropic metal film

tang jingwu; liu lijuan; gao yongyi; tang liqiang; zou daifeng

Volume 23 Issue 02

Sep. 2012

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Article Navigation > High Power Laser and Particle Beams > 2011 > 23(02): 0-

gu mu, ma xiao-hui, xu rong-kun, et al. Slow component suppression and γ radiation hardness of BaF2crystal modified by photonic band multilayer filter[J]. High Power Laser and Particle Beams, 2005, 17.

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tang jingwu, liu lijuan, gao yongyi, et al. Resonance properties of surface plasma of sub-wavelength periodic perforated anisotropic metal film[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

tang jingwu, liu lijuan, gao yongyi, et al. Resonance properties of surface plasma of sub-wavelength periodic perforated anisotropic metal film[J]. High Power Laser and Particle Beams, 2011, 23.

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Resonance properties of surface plasma of sub-wavelength periodic perforated anisotropic metal film

1.
College of Physics,Hunan University of Science and Technology,Xiangtan 411201,China;
2.
School of Physics Science and Technology,Central South University,Changsha 410083,China

Publish Date: 2011-01-25

Abstract

Abstract

The resonance mechanism and characteristics of surface plasma in the anisotropic metal film with a periodic array of sub-wavelength holes are investigated under external magnetic field adopting the anisotropic model and full-vector 3-D finite-difference time-domain (FDTD) method. There are two resonance modes: localized waveguide resonance from the period rectangular hole array and photonic crystal resonance from the periodic structures. It is found that both the resonance modes shift towards shortwave region with the increasing of the applied magnetic field; the peak of the photonic crystal resonance shifts towards long-wave region, while the peak of the waveguide resonance transfers to short-wave region. In addition, the enhanced transmission effect might be controlled by adjusting the m
- anisotropic metal film,
- surface plasma,
- full-vectorial finite-difference time-domain method,
- resonance transmission

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