NDLI: Metamaterial absorber based on circular rings at infrared frequencies

Content Provider	IEEE Xplore Digital Library
Author	Fei Wu Min-Hua Li Lin-Yan Guo
Copyright Year	2012
Description	Author affiliation: Institute of Nanoscience and Nanotechnology, Central China Normal University, Wuhan 430079, Hubei, People's Republic of China (Fei Wu) \|\| College of Physical Science and Technology, Central China Normal University, Wuhan 430079, Hubei, People's Republic of China (Min-Hua Li; Lin-Yan Guo)
Abstract	In this paper, we propose three kinds of metamaterial absorbers at infrared frequencies with simple constitutions. Metamaterial absorber at infrared frequencies can be obtained by reducing the dimensions of the structure to nanoscale with a chemical double-template technique. We first propose a circular ring model. The strongest resonance appears around the frequency of 101.1THz with magnitude of 99.9%. Later, an additional center bar is introduced in the circular ring. The center bar makes the resonance frequency move to higher frequency. The last one is circular ring with center capacitor. The frequency drifts to lower range without decreasing of absorption which can be applied in the design of tunable absorber. As an interdisciplinary subject of physics and chemistry, metamaterial absorbers at infrared frequencies have great prospect in the application of military and other energy detectors.
Starting Page	733
Ending Page	736
File Size	309100
Page Count	4
File Format	PDF
ISBN	9781467317993
e-ISBN	9781467318006
DOI	10.1109/ISAPE.2012.6408875
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-22
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Absorption Metamaterials Magnetic materials Resonant frequency Capacitors Educational institutions
Content Type	Text
Resource Type	Article

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