| Issue |
EPL
Volume 107, Number 5, September 2014
|
|
|---|---|---|
| Article Number | 54005 | |
| Number of page(s) | 6 | |
| Section | Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics | |
| DOI | https://doi.org/10.1209/0295-5075/107/54005 | |
| Published online | 09 September 2014 | |
Fano resonance generated by magnetic scatterer in micro metal slit
Center for Theoretical Physics, Department of Physics, Capital Normal University - Beijing 100048, China
(a) 263zys@263.net
Received: 21 May 2014
Accepted: 22 August 2014
A micro metal slit/magnetic scatterer structure is proposed to generate electromagnetic Fano resonance. The magnetic scatterer is formed by infinite long split cylinder resonator array. The analytical transmissivity formulas are deduced from Maxwell electromagnetic theory and the Fano resonance transmission is achieved by the theoretical calculations. The enhancement of environment refractive index leads to an ultrasensitive and linear red shift of resonance peak in the THz range.
PACS: 42.25.Fx – Diffraction and scattering / 42.81.Pa – Sensors, gyros
© EPLA, 2014
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