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Ultra-compact spatial filtering with both wide spatial-frequency bandwidth and high transmittance using single-negative material

Published online by Cambridge University Press:  17 June 2010

Y.-T. Fang ,
Z.-B. Ouyang  and
G. Qiu
Y.-T. Fang*
Affiliation:
Department of Physics, Zhenjiang Watercraft College, 212003, Zhenjiang, P.R. China THz-Technology Research Center of Shenzhen University, Shenzhen, 518060, P.R. China
Z.-B. Ouyang
Affiliation:
THz-Technology Research Center of Shenzhen University, Shenzhen, 518060, P.R. China Shenzhen Key Laboratory of Micro-Nano-Photonic Information Technology, Shenzhen, 518060, P.R. China College of Electronic Science and Technology of Shenzhen University, Shenzhen, 518060, P.R. China
G. Qiu
Affiliation:
THz-Technology Research Center of Shenzhen University, Shenzhen, 518060, P.R. China Shenzhen Key Laboratory of Micro-Nano-Photonic Information Technology, Shenzhen, 518060, P.R. China College of Electronic Science and Technology of Shenzhen University, Shenzhen, 518060, P.R. China
*
fang_yt1965@sina.com
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Abstract

A new application of multilayer structures containing single-negative material is proposed as spatial filter. The spatial filter has an ultra-compact structure (only two periods) and is based on that the transmittance of waves through the structure is not sensitive to the incident angle. Through optimised structure parameters, the filter permits waves propagating within a wide spatial-frequency bandwidth and with perfect transmittance. The spatial-frequency bandwidth is tunable by adjusting structure parameter and frequency.

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 51 , Issue 1 , July 2010 , 10701
Copyright
© EDP Sciences, 2010

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