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Dual-band Metamaterial Absorber based on Asymmetrical Snowflake-Shaped Resonators

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Abstract

A dual-band metamaterial absorber based on asymmetrical snowflake-shaped resonators is presented. The two absorption bands can be flexibly controlled by adjusting the branch lengths of the snowflake-shaped resonators. Full wave simulation and rigorous experiment are employed to demonstrate the proposed dual-band absorption characteristics.

© 2012 Optical Society of America

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