Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2014 Vol: 6 Issue: 6

Design of terahertz absorbers based on metamaterial


We present the design of single, dual and triple resonant THz absorber based on metamaterial. The single band absorber is composed of simple ring array and the dual band absorber is the unlimited cycle array of two concentric rings. The triple absorber is produced by a ring and two square split ring with different size. Simulation results show that the three proposed designs can performs strong absorption peaks more than 90% at fundamental resonant frequencies, which show the potential of metamaterial in controlling terahertz radiation. The absorbers are uncomplicated, well-separated and strong- absorbed, which is beneficial for the design of terahertz devices.

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